Patent Portfolio

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

Trusted Patent Counsel

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.