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Shoichi Masui, Michiya Oura, Tsuzumi Ninomiya, Wataru Yokozeki, Kenji Mukaida: Programmable logic device with ferroelectric configuration memories. Fujitsu, Arent Fox PLLC, August 2, 2005: US06924663 (254 worldwide citation)

A programmable logic device with ferroelectric configuration memories storing multiple configuration data sets. The device has programmable logic blocks, interconnections, and I/O blocks to provide desired logic functions. Those building blocks can be dynamically reconfigured by changing the selecti ...


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Amit Jaipuria, Pradeep Jaipuria: Method and apparatus for optimizing networking potential using a secured system for an online community. Arent Fox PLLC, May 16, 2006: US07047202 (179 worldwide citation)

The present invention provides a method and apparatus for users to search networks, both their own network and their peers' networks, all under the umbrella of a “multiple level access” security system. The present invention has been designed to optimize networking capabilities among users in a comp ...


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Hirokazu Unno, Hisashi Hayasaka: Electric charger and power supply device for portable terminal. Fujitsu, Arent Fox PLLC, February 27, 2007: US07183748 (162 worldwide citation)

A charging control unit decides the number of battery cells on the basis of an output voltage of a battery pack, and an output voltage of a charging circuit is determined in accordance with the decided number of battery cells. Even though supply of an external power supply is detected, when a batter ...


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Shoichi Masui: Semiconductor integrated circuit, radio frequency identification transponder, and non-contact IC card. Fujitsu, Arent Fox PLLC, October 26, 2004: US06809952 (142 worldwide citation)

A rectifier circuit converts an alternating current into a direct-current voltage and outputs it as a power supply voltage. A ferroelectric holding circuit has a volatile holding circuit and a plurality of ferroelectric capacitors. Data held in the ferroelectric holding circuit has a read margin gre ...


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Mayo Kitano, Hideki Sumi, Tsuyoshi Moribe: Capacitance difference detecting circuit and MEMS sensor. Fujitsu, Arent Fox PLLC, October 10, 2006: US07119550 (114 worldwide citation)

Oscillators have capacitors, respectively, whose capacitances change according to an external force and generate first oscillating signals according to the capacitances. Each of the capacitors is disposed, for example, between a substrate and a mass body that is movably disposed to face the substrat ...


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Hiromu Ueshima, Katsuya Nakagawa: Fishing game device. SSD Company, Arent Fox PLLC, August 16, 2005: US06929543 (105 worldwide citation)

A fishing game apparatus (10) has a casting rod (12) connected to a television monitor (16). The casting rod (12) is built therein with a game processor and an acceleration sensor. During casting, an acceleration signal is inputted from the acceleration sensor to the game processor. The game process ...


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Tetsuhiro Tanabe, Ken Nakahara: Semiconductor light-emitting device and method for manufacturing the same. Rohm, Arent Fox PLLC, November 7, 2006: US07132691 (105 worldwide citation)

It has a structure in which an active layer (5) that emits light by electric current injection is sandwiched between an n-type cladding layer (4) and a p-type cladding layer (6) made of materials having a larger band gap than the active layer (5), wherein the active layer (5) is made, for example, o ...


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Shinichirou Gotou, Takeshi Imai, Masayuki Ikegami, Hideshi Sawada, Toshihide Youfu: System for retrieving information based on position of communication terminal. Honda Giken Kogyo Kabushiki Kaisha, Arent Fox PLLC, September 7, 2004: US06789102 (84 worldwide citation)

An information retrieval system is provided, by which necessary information can be easily and accurately obtained from among a large number of information items by using a communication terminal which is mounted to a movable object or is fixedly disposed. In the system, a communication terminal acce ...


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Toru Koga, Tomohiro Kawakubo, Tatsuya Kanda: Semiconductor memory capable of transitioning from a power-down state in a synchronous mode to a standby state in an asynchronous mode without setting by a control register. Fujitsu, Arent Fox PLLC, January 18, 2005: US06845055 (80 worldwide citation)

A semiconductor memory that can make the transition from a power-down state in a synchronous mode to an asynchronous mode without setting by a control register and that needs no extra circuits. A state selection section chooses, by selecting an existing internal signal the level of which changes in ...