Proven Track Record
Over 150 U.S. patents prosecuted across a career spanning IBM, AT&T, Union Carbide, and private practice — in semiconductor, software, telecommunications, internet, medical device, and mechanical arts.
Showing 142 of 142 selected patents
| Patent No. | Title | Assignee | Date | USPTO Link |
|---|---|---|---|---|
| US 12,473,884 | GPP seal system maintenance, replacement and seismic isolation | The Gravity Power, LLC | Nov 18, 2025 | View Patent |
| US 12,077,931 | Below grade waterproofing sheet membrane with moderate reflectivity granular particles | Rudyan, Amir | Sep 3, 2024 | View Patent |
| US 11,692,327 | Below grade waterproofing with moderate reflectivity granular particle layer | Rudyan, Amir | Jul 4, 2023 | View Patent |
| US 11,692,326 | Below grade waterproofing sheet membrane with improved low reflectivity granular particles | Rudyan, Amir | Jul 4, 2023 | View Patent |
| US 11,692,166 | Compositions and methods for improving alcohol tolerance in yeast | Technion Research & Development Foundation | Jul 4, 2023 | View Patent |
| US 11,566,396 | Below grade waterproofing with low reflectivity granular particle layer | Rudyan, Amir | Jan 31, 2023 | View Patent |
| US 11,560,687 | Dual waterproofing membrane assembly incorporating bentonite layer | Rudyan, Amir | Jan 24, 2023 | View Patent |
| US 11,298,628 | Quick assembly hunting blind apparatus | McInerney, Michael John | Apr 12, 2022 | View Patent |
| US 11,142,880 | Dual waterproofing membrane with bentonite and adhesive layers | Rudyan, Amir | Oct 12, 2021 | View Patent |
| US 10,968,596 | Dual waterproofing membrane assembly for below grade applications | Rudyan, Amir | Apr 6, 2021 | View Patent |
| US 10,870,982 | Below grade waterproofing and methane barrier sheet membrane | Rudyan, Amir | Dec 22, 2020 | View Patent |
| US 10,647,151 | Vehicle logo-rim apparatus | Webber, Kimel | May 12, 2020 | View Patent |
| US 10,465,322 | Cushion or pillow having embossing and/or debossing elements | Pyun, Kumran | Nov 5, 2019 | View Patent |
| US 10,307,308 | Absorbent article with controlled deformation | Johnson & Johnson Consumer Inc. | Jun 4, 2019 | View Patent |
| US 10,307,307 | Sanitary pad with a crevice mound | Pintado, Zara C. | Jun 4, 2019 | View Patent |
| US 10,287,781 | Tile with magnetic material covered with parchment | Pergamena Parchments & Leathers, Inc. | May 14, 2019 | View Patent |
| US 10,273,744 | Universal strut for doors and window elements | Fenestration Technologies, LLC | Apr 30, 2019 | View Patent |
| US 9,648,973 | Christmas tree stand with float system, low water indicator | Maneri, Geoffrey Stephen | May 16, 2017 | View Patent |
| US 9,624,066 | High speed winding machine with angular rotary spindle | Dominicis, Philip Patrick | Apr 18, 2017 | View Patent |
| US 9,574,355 | Tile with magnetic material covered with parchment | Meyer, Jesse Karl | Feb 21, 2017 | View Patent |
| US 6,330,157 | Variable thermal exchanger | IBM | Dec 11, 2001 | View Patent |
| US 6,287,954 | Method of forming copper interconnections with enhanced electromigration resistance | IBM | Sep 11, 2001 | View Patent |
| US 6,278,049 | Thermoelectric devices and methods for making the same | IBM | Aug 21, 2001 | View Patent |
| US 6,271,111 | High density pluggable connector array | IBM | Aug 7, 2001 | View Patent |
| US 6,262,390 | Repair process for aluminum nitride substrates | IBM | Jul 17, 2001 | View Patent |
| US 6,262,357 | Thermoelectric devices and methods | IBM | Jul 17, 2001 | View Patent |
| US 6,258,710 | Sub-quarter-micron copper interconnections | IBM | Jul 10, 2001 | View Patent |
| US 6,258,191 | Method and materials for increasing strength of crystalline ceramic | IBM | Jul 10, 2001 | View Patent |
| US 6,253,986 | Solder disc connection | IBM | Jul 3, 2001 | View Patent |
| US 6,247,029 | Web browser form enhancements | IBM | Jun 12, 2001 | View Patent |
| US 6,245,171 | Multi-thickness multi-layer green sheet lamination | IBM | Jun 12, 2001 | View Patent |
| US 6,235,996 | Interconnection structure and process module assembly | IBM | May 22, 2001 | View Patent |
| US 6,232,967 | Web browser column control | IBM | May 15, 2001 | View Patent |
| US 6,232,667 | Technique for underfilling stacked chips on cavity MLC module | IBM | May 15, 2001 | View Patent |
| US 6,221,269 | Method of etching molybdenum metal | IBM | Apr 24, 2001 | View Patent |
| US 6,216,937 | Process to remove closely spaced chips on multi-chip module | IBM | Apr 17, 2001 | View Patent |
| US 6,216,324 | Method for thin film multilayer capacitor | IBM | Apr 17, 2001 | View Patent |
| US 6,209,007 | Web internet screen customizing system | IBM | Mar 27, 2001 | View Patent |
| US 6,205,454 | Web browser row control | IBM | Mar 20, 2001 | View Patent |
| US 6,200,373 | Method for controlling second phases in aluminum nitride | IBM | Mar 13, 2001 | View Patent |
| US 6,196,443 | Pb-In-Sn tall C-4 for fatigue enhancement | IBM | Mar 6, 2001 | View Patent |
| US 6,194,053 | Apparatus and method fabricating buried and flat metal features | IBM | Feb 27, 2001 | View Patent |
| US 6,186,216 | Cast column grid array extraction apparatus | IBM | Feb 13, 2001 | View Patent |
| US 6,182,884 | Method for reworking ceramic ball grid array | IBM | Feb 6, 2001 | View Patent |
| US 6,179,951 | Method of protecting non-planar feature using compressive pads | IBM | Jan 30, 2001 | View Patent |
| US 6,178,082 | High temperature conductive thin film diffusion barrier | IBM | Jan 23, 2001 | View Patent |
| US 6,165,629 | Structure for thin film interconnect | IBM | Dec 26, 2000 | View Patent |
| US 6,149,048 | Apparatus for use in manufacturing semiconductor devices | IBM | Nov 21, 2000 | View Patent |
| US 6,133,139 | Self-aligned composite insulator | IBM | Oct 17, 2000 | View Patent |
| US 6,125,496 | Pad and roller assembly for cleaning semiconductor wafers | IBM | Oct 3, 2000 | View Patent |
| US 5,673,216 | Process for adding or subtracting symbols in any base | IBM | Sep 30, 1997 | View Patent |
| US 5,421,723 | Sequential step belt furnace with concentric cooling elements | IBM | Jun 6, 1995 | View Patent |
| US 5,420,073 | Structure for superbarrier to prevent diffusion | IBM | May 30, 1995 | View Patent |
| US 5,404,247 | Telecentric and achromatic f-theta scan lens | IBM | Apr 4, 1995 | View Patent |
| US 5,397,604 | Non-contact fluid applicator apparatus | IBM | Mar 14, 1995 | View Patent |
| US 5,397,957 | Process and structure of integrated vacuum microelectronic device | IBM | Mar 14, 1995 | View Patent |
| US 5,397,598 | Selectively coating a member having a shank | IBM | Mar 14, 1995 | View Patent |
| US 5,395,038 | High placement accuracy wire bonder | IBM | Mar 7, 1995 | View Patent |
| US 5,384,953 | Structure and method for repairing electrical lines | IBM | Jan 31, 1995 | View Patent |
| US 5,384,909 | Precision automatic scrolling for image display | IBM | Jan 24, 1995 | View Patent |
| US 5,376,587 | Cooling structures for directly cooling active layer | IBM | Dec 27, 1994 | View Patent |
| US 5,367,195 | Structure for superbarrier noble/non-noble metal | IBM | Nov 22, 1994 | View Patent |
| US 5,360,767 | Method for assigning pins to connection points | IBM | Nov 1, 1994 | View Patent |
| US 5,349,543 | Constant force probe | IBM | Sep 20, 1994 | View Patent |
| US 5,338,900 | Structures for conductive decals with inorganic insulator | IBM | Aug 16, 1994 | View Patent |
| US 5,334,908 | Structures for fabricating field emission cathode tips | IBM | Aug 2, 1994 | View Patent |
| US 5,323,818 | Dispensing thermal paste into thermal conduction module | IBM | Jun 28, 1994 | View Patent |
| US 5,308,258 | Planar modular interconnect system | IBM | May 3, 1994 | View Patent |
| US 5,306,872 | Structures for conductive decals with organic insulator | IBM | Apr 26, 1994 | View Patent |
| US 5,305,138 | Superachromatic UV and visible focusing objective lens | IBM | Apr 19, 1994 | View Patent |
| US 5,304,969 | Apparatus for electrical transmission-line interface | IBM | Apr 19, 1994 | View Patent |
| US 5,298,975 | Combined scanning force microscope and optical metrology | IBM | Mar 29, 1994 | View Patent |
| US 5,294,830 | Apparatus for indirect impingement cooling of IC chips | IBM | Mar 15, 1994 | View Patent |
| US 5,288,007 | Apparatus for making simultaneous electrical connections | IBM | Feb 22, 1994 | View Patent |
| US 5,287,001 | Cooling structures and package modules for semiconductors | IBM | Feb 15, 1994 | View Patent |
| US 5,284,286 | Porous metal block for removing solder | IBM | Feb 8, 1994 | View Patent |
| US 5,281,485 | Structure and method of making Alpha-Ta thin films | IBM | Jan 25, 1994 | View Patent |
| US 5,268,814 | Module packaging | IBM | Dec 7, 1993 | View Patent |
| US 5,266,522 | Structure for corrosion/stress-resistant interconnecting metallurgy | IBM | Nov 30, 1993 | View Patent |
| US 5,244,833 | Method for manufacturing IC chip bump electrode | IBM | Sep 14, 1993 | View Patent |
| US 5,241,131 | Erosion/corrosion resistant diaphragm | IBM | Aug 31, 1993 | View Patent |
| US 5,241,614 | Apparatus for optical fiber interface | IBM | Aug 31, 1993 | View Patent |
| US 5,239,200 | Apparatus for cooling integrated circuit chips | IBM | Aug 24, 1993 | View Patent |
| US 5,233,624 | Method for increased output for pumped laser | IBM | Aug 3, 1993 | View Patent |
| US 5,231,751 | Process for thin film interconnect | IBM | Aug 3, 1993 | View Patent |
| US 5,226,636 | Holding fixture for substrates | IBM | Jul 13, 1993 | View Patent |
| US 5,221,449 | Method of making Alpha-Ta thin films | IBM | Jun 22, 1993 | View Patent |
| US 5,219,520 | Process of making porous metal block for removing solder | IBM | Jun 15, 1993 | View Patent |
| US 5,203,731 | Process of integrated vacuum microelectronic device | IBM | Apr 20, 1993 | View Patent |
| US 5,193,732 | Apparatus for making simultaneous electrical connections | IBM | Mar 16, 1993 | View Patent |
| US 5,185,289 | Process for selective growth of GaAs | IBM | Feb 9, 1993 | View Patent |
| US 5,177,667 | Thermal conduction module with integral impingement cooling | IBM | Jan 5, 1993 | View Patent |
| US 5,175,609 | Structure for corrosion/stress-resistant interconnecting metallurgy | IBM | Dec 29, 1992 | View Patent |
| US 5,173,668 | Apparatus for electrical transmission-line interface | IBM | Dec 22, 1992 | View Patent |
| US 5,172,388 | Method for increased pulse repetition rate for CW pumped laser | IBM | Dec 15, 1992 | View Patent |
| US 5,170,058 | Apparatus for alignment verification | IBM | Dec 8, 1992 | View Patent |
| US 5,162,264 | Integrated circuit package | IBM | Nov 10, 1992 | View Patent |
| US 5,155,786 | Apparatus for optical fiber interface | IBM | Oct 13, 1992 | View Patent |
| US 5,141,459 | Structures for fabricating field emission cathodes | IBM | Aug 25, 1992 | View Patent |
| US 5,122,737 | Method for photoemission inspection of via studs | IBM | Jun 16, 1992 | View Patent |
| US 5,116,459 | Processes for conductive decals with organic insulator | IBM | May 26, 1992 | View Patent |
| US 5,114,018 | Versatile product carrier | IBM | May 19, 1992 | View Patent |
| US 5,108,541 | Processes for conductive decals with inorganic insulator | IBM | Apr 28, 1992 | View Patent |
| US 5,052,481 | High conduction cooling module with internal fins | IBM | Oct 1, 1991 | View Patent |
| US 5,042,671 | Versatile product carrier | IBM | Aug 27, 1991 | View Patent |
| US 5,016,087 | Integrated circuit package | IBM | May 14, 1991 | View Patent |
| US 5,010,389 | Integrated circuit substrate with contacts | IBM | Apr 23, 1991 | View Patent |
| US 5,008,730 | Contact stud structure for semiconductor devices | IBM | Apr 16, 1991 | View Patent |
| US 5,008,216 | Process for improved contact stud structure | IBM | Apr 16, 1991 | View Patent |
| US 4,970,570 | Use of tapered head pin design | IBM | Nov 13, 1990 | View Patent |
| US 4,919,971 | Self-induced repairing of conductor lines | IBM | Apr 24, 1990 | View Patent |
| US 4,902,371 | Mask shock absorbing system | IBM | Feb 20, 1990 | View Patent |
| US 4,866,507 | Module for packaging semiconductor IC chips | IBM | Sep 12, 1989 | View Patent |
| US 4,812,756 | Contactless technique for semiconductor wafer testing | IBM | Mar 14, 1989 | View Patent |
| US 4,811,082 | High performance integrated circuit packaging structure | IBM | Mar 7, 1989 | View Patent |
| US D304,715 | Heat sink design | IBM | Nov 21, 1989 | View Patent |
| US 4,759,919 | Chromium-aluminum-phosphorus-oxide molecular sieve | Union Carbide | Jul 26, 1988 | View Patent |
| US 4,758,419 | Magnesium-aluminum-phosphorus-silicon-oxide molecular sieve | Union Carbide | Jul 19, 1988 | View Patent |
| US 4,744,970 | Cobalt-aluminum-phosphorus-silicon-oxide molecular sieves | Union Carbide | May 17, 1988 | View Patent |
| US 4,741,892 | Quinary molecular sieve compositions | Union Carbide | May 3, 1988 | View Patent |
| US 4,738,837 | Chromium-aluminum-phosphorus-silicon-oxide molecular sieve | Union Carbide | Apr 19, 1988 | View Patent |
| US 4,737,353 | Beryllium-aluminum-phosphorus-silicon-oxide molecular sieve | Union Carbide | Apr 12, 1988 | View Patent |
| US 4,735,806 | Gallium-aluminum-phosphorus-silicon-oxide molecular sieve | Union Carbide | Apr 5, 1988 | View Patent |
| US 4,608,061 | Normal butane/iso-butane separation | Union Carbide | Aug 26, 1986 | View Patent |
| US 4,602,426 | Method of producing a gas diffusion electrode | Union Carbide | Jul 29, 1986 | View Patent |
| US 6,708,108 | Vehicle navigation system | AT&T | Mar 16, 2004 | View Patent |
| US 6,658,254 | Method for personalization of public multimedia terminal | AT&T | Dec 2, 2003 | View Patent |
| US 6,643,686 | System for counteracting message filtering | AT&T | Nov 4, 2003 | View Patent |
| US 6,567,197 | Optical ring network architecture | AT&T | May 20, 2003 | View Patent |
| US 6,546,423 | System for network load balancing | AT&T | Apr 8, 2003 | View Patent |
| US 6,526,448 | Pseudo proxy server for overflow capacity | AT&T | Feb 25, 2003 | View Patent |
| US 6,504,821 | Flexible bandwidth negotiation | AT&T | Jan 7, 2003 | View Patent |
| US 7,827,618 | Single/multiple use liquid resistant protector | Independent | Nov 9, 2010 | View Patent |
| US 7,800,239 | Thick metal interconnect with metal pad caps | Independent | Sep 21, 2010 | View Patent |
| US 7,753,805 | Golf training device | Independent | Jul 13, 2010 | View Patent |
| US 7,664,108 | Route once and cross-connect many | Independent | Feb 16, 2010 | View Patent |
| US 7,558,666 | Ideal stop system | Independent | Jul 7, 2009 | View Patent |
| US 7,513,635 | Star and crescent structure and method | Ahsan et al. | Apr 7, 2009 | View Patent |
| US 7,448,598 | Quick panel lifter | Independent | Nov 11, 2008 | View Patent |
| US 6,834,395 | High visibility safety garment | Independent | Dec 28, 2004 | View Patent |
| US D494,728 | Star and crescent design | Dinpanah Inc. | Aug 17, 2004 | View Patent |
| US D483,920 | Star and crescent design | Ahsan et al. | Dec 16, 2003 | View Patent |
Decades of Results
Mr. Ahsan has represented clients in securing over 150 U.S. patents across diverse technology areas including semiconductor fabrication, software architecture, telecommunications networks, internet technologies, medical devices, molecular sieves, and mechanical inventions. This portfolio reflects only a selection of the patents prosecuted throughout his career at IBM, AT&T, Union Carbide, and in private practice.