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William Joseph Gallagher, James Harvey Kaufman, Stuart Stephen Papworth Parkin, Roy Edwin Scheuerlein: Magnetic memory array using magnetic tunnel junction devices in the memory cells. International Business Machines Corporation, Thomas R Berthold, June 17, 1997: US05640343 (526 worldwide citation)

A nonvolatile magnetic random access memory (MRAM) is an array of individual magnetic memory cells. Each memory cell is a magnetic tunnel junction (MTJ) element and a diode electrically connected in series. Each MTJ is formed of a pinned ferromagnetic layer whose magnetization direction is prevented ...


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James Harvey Kaufman, Glenn Tavernia Sincerbox: Method and means for limiting adverse use of counterfeit credit cards, access badges, electronic accounts or the like. International Business Machines Corporation, James C Pintner, Khanh Q Tran, November 23, 1999: US05991411 (83 worldwide citation)

A system for rejecting second and subsequent copies of an informationally-equivalent card or badge asserted into a client/server system by processing only those cards having transaction histories recorded thereon by comparison matching a history recorded in a central repository and then rewriting th ...


3
James Harvey Kaufman, Cameron Shea Miner, Joann Ruvolo: Designation and opportunistic tracking of valuables. International Business Machines Corporation, Randy W Lacasse, Leonard Guzman, Lacasse & Associates, August 10, 2004: US06774811 (53 worldwide citation)

An item of value to one or more individuals in a group is tracked wherein each valuable object is tagged, and one or more members of the group carry a personal information management (PIM) device equipped with a sensor which constantly scans for the presence of a known valuable. The sensor is able t ...


4
Mary Frances Doerner, James Harvey Kaufman, Serhat Metin, Seyyed Mohammad Taghi Mirzamaani, Anthony Wai Wu: Magnetic recording disk with metal nitride texturing layer. International Business Machines Corporation, Thomas R Berthold, January 6, 1998: US05705287 (26 worldwide citation)

A thin film cobalt alloy magnetic recording disk has a metal nitride layer located between the disk substrate and the top surface of the disk to provide texturing of the disk at the head-disk interface. The texturing layer is made up of generally contiguous clusters of aluminum nitride (AlN) with ro ...


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Daniel Alexander Ford, James Harvey Kaufman, Jussi Petri Myllymaki: System and method to anonymously test for proximity of mobile users without revealing individual phase space coordinates. International Business Machines Corporation, Randy W Lacasse, Ramraj Soundararajan, Lacasse & Associates, November 23, 2004: US06823190 (17 worldwide citation)

Described is a way for computing proximity (location-based proximity or preference-based proximity) between mobile wireless subscribers (who use different services) without either divulging their location/preference to the other (preservation of privacy). Privacy is kept by providing location/prefer ...


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Robert Glenn Deen, James Harvey Kaufman, Tobin Jon Lehman: System, method, and service for dynamically selecting an optimum message pathway. International Business Machines Corporation, Shimokaji & Assoc, Samuel Kassatly, June 7, 2011: US07957363 (15 worldwide citation)

A message pathway selection system dynamically selects an optimum message pathway for transmitting messages. The system dynamically optimizes a message pathway according to various criteria such as, for example, efficiency, economy, data requirements, auditing requirements, security, data size, etc. ...


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Joseph Grover Gordon II, Sigfried Friedrich Karg, James Harvey Kaufman, Martin Kreyenschmidt, Robert Dennis Miller, John Campbell Scott: Light emitting device. International Business Machines Corporation, Robert B Martin, June 16, 1998: US05767624 (8 worldwide citation)

The invention relates to an organic electroluminescent device comprising a light emitting composition disposed between a first and second electrode. The composition comprises a charge transporting polymer and an organic salt comprising immobilized anions and cations nonuniformly distributed in the p ...


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James Harvey Kaufman, Cameron Shea Miner, Joann Ruvolo: Designation and opportunistic tracking of valuables. International Business Machines Corporation, Lacasse & Associates, October 10, 2002: US20020147650-A1 (1 worldwide citation)

A item of value to one or more individuals in a group is tracked wherein each valuable object is tagged, and one or more members of the group carry a personal information management (PIM) device equipped with a sensor which constantly scans for the presence of a known valuable. The sensor is able to ...


9
Mary Frances Doerner, James Harvey Kaufman, Serhat Metin: Magnetic recording disk with metal nitride texturing layer, process for making the disk, and disk drive with improved head-disk interface. International Business Machines Corporation, FAN BENGUO, August 21, 1996: CN95104776

A thin film cobalt alloy magnetic recording disk has a texturing layer located between the disk substrate and the top surface of the disk to provide texturing of the disk at the head-disk interface. The texturing layer is made up of generally contiguous clusters of aluminum nitride with rounded uppe ...


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