1
Hiroyoshi Yuasa, Tadashi Satake, Mario Jose Cardona, Hisataka Fujii, Akira Yasuda, Koji Yamashita, Satoru Suzaki, Hideki Ikezawa, Masami Ohno, Akira Matsuzaki, Junichi Suzuki, Junko Nakano: Virtual LAN system. Matsushita Electric Works, Greenblum & Bernstein, July 4, 2000: US06085238 (499 worldwide citation)

A virtual LAN system forms a virtual group which is based on elements having physical attribute or logical attribute and constituting a virtual LAN, sets a client address and priority of the virtual group in a virtual group registration table, and allocates unicast and broadcast traffic bands in gro ...


2
Akira Yasuda, Hiroyoshi Yuasa, Satoshi Furukawa, Nobuo Matsuo, Hisataka Fujii, Masami Hisada, Yoshihiko Tokunaga, Tadashi Satake, Hiroshi Hamada, Yoshitaka Morikawa, Nobumoto Yamane: Picture encoding system. Matsushita Electric Works, Leydig Voit & Mayer, October 1, 1991: US05054103 (159 worldwide citation)

A picture encoding system which performs a prediction of picture element values within a block having a plurality of picture elements into which an original picture is divided, a discrete sine transform with respect to prediction error signals for obtaining a transform coefficient, a quantization of ...


3
Hiroyoshi Yuasa, Akira Yasuda, Koichi Omura: Visual Image sensor system. Matsushita Electric Works, Burns Doane Swecker & Mathis, July 7, 1987: US04679077 (137 worldwide citation)

A visual image sensor system for detecting an abnormal change in a monitored scene is disclosed, wherein normal changes which may occur in the monitored scene are previously memorized to be selectively compared with changes in the monitored scene, whereby the normal changes are discriminated from th ...


4
Hiroshi Tsurumi, Hiroshi Yoshida, Tetsuro Itakura, Takafumi Yamaji, Akira Yasuda, Takashi Ueno, Hiroshi Tanimoto, Ryuichi Fujimoto, Hiroshi Horiguchi: Receiver having DC offset decreasing function and communication system using the same. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, December 24, 2002: US06498929 (71 worldwide citation)

A receiver having a function of a direct current offset, and including a receiving section for receiving a radio frequency signal, an analog signal processing section for amplifying, band-converting and frequency-converting an analog signal inputted from the receiving section, and an AD converting s ...


5
Akira Yasuda: Sampling system. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, January 30, 2001: US06181740 (41 worldwide citation)

A sampling system arranged such that a modulated signal received by an antenna and input via a low noise amplifier and a band-pass filter is sampled at a sampling frequency higher than the signal band of the modulated signal by a first sample and hold circuit and is input to an analog decimation fil ...


6
Akira Yasuda: Anti-freezing system for a windshield-wiper. Nissan Motor Company, Lane Aitken & Kananen, June 7, 1983: US04387290 (33 worldwide citation)

An anti-freezing system for a windshield-wiper of a vehicle including a cut off device, which may be a relay, responsive to a temperature sensor which senses the ambient temperature. The cut off device energizes a heater to heat the windshield-wiper when and only when the ambient temperature as sens ...


7
Jun Takahashi, Masaaki Toyoda, Akira Yasuda, Hideo Ochi: Laser beam absorbing resin composition, coloring material therefor and laser beam marking method. Somar Corporation, Lorusso & Loud, June 6, 1995: US05422383 (29 worldwide citation)

A laser beam absorbing resin composition is disclosed which includes 100 parts by weight of a resin, and 1-100 parts by weight of composite particles having an average particle diameter of 0.1-50 .mu.m and each including a particulate, laser beam absorbing inorganic substance, and a colorant physica ...


8
Akira Yasuda, Tetsuro Itakura, Takafumi Yamaji: A/D converter apparatus with frequency conversion function and radio apparatus using the same. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt P C, November 24, 1998: US05841388 (28 worldwide citation)

An A/D converter apparatus comprising a negative feedback loop having a main signal line supplied with an input signal of a predetermined frequency and a feedback signal line passing through a feedback signal, a A/D converter connected to the main signal line for frequency-converting the input signa ...


9
Jun Takahashi, Akira Yasuda, Hideo Ochi: Laser beam absorbing resin composition and laser beam marking method. Somar Corporation, Lorusso & Loud, August 29, 1995: US05445923 (26 worldwide citation)

A laser beam absorbing resin composition is disclosed which includes 100 parts by weight of a thermosetting resin, a colorant capable of discoloring upon being heated at a temperature of 250.degree. C. or more, and at least 10 parts by weight of a particulate, laser beam absorbing substance which ha ...


10
Akira Yasuda: A/D converter including error correction for a local D/A converter. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt, March 31, 1992: US05101205 (20 worldwide citation)

An A/D converter includes a subtracter for calculating a difference between an input signal and a feed-back signal, and outputting a differential signal, a local A/D converter for converting the differential signal into a first digital signal, a local D/A converter for converting the first digital s ...