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
Tsunehiko Araki, Satoshi Furukawa, Tadashi Satake, Hidekazu Himezawa: Abnormality supervising system. Matsushita Electric Works, Burns Doane Swecker & Mathis, April 12, 1988: US04737847 (127 worldwide citation)

An abnormality supervising system compares an input picture with a previously stored reference picture having no abnormality, provides a compared picture signal to an abnormality discrimination means having preliminarily stored information for abnormality discrimination, and, upon presence of an abn ...


4
Yutaka Nakamura, Tadashi Satake, Takashi Suzuki, Yoko Ishida: Network administration system. Matsushita Electric Works, Leydig Voit & Mayer, February 15, 1994: US05287343 (26 worldwide citation)

A network administration system includes a network of a plurality of cascade connected repeaters for functional terminal units, and an administrative terminal connected through a transmission path to the network for administrating the network of the repeaters and terminal units, the system being arr ...


5
Tadashi Satake, Seiichi Miyazaki, Mario Cardona: Switching device for LAN. Matsushita Electric Works, Burns Doane Swecker & Mathis L, July 21, 1998: US05784373 (23 worldwide citation)

A switching device for LAN is provided for switching packets in ETHERNET. The switching device includes an arrangement for storing the packet received at one of a plurality of receiving ports respectively connected to ETHERNET segments in a receiving buffer commonly used by the whole of the device, ...


6
Motoo Ikari, Yuji Yakada, Shintaro Yamamoto, Toshimitsu Isoi, Kaoru Shirakura, Tadashi Satake, Yoshiaki Kanbe, Yasuo Ishiguro, Nobuyuki Suzuki, Yoshito Kato, Masao Kawase: Optically scanning displacement sensor with linearity correction means. Matsushita Electric Works, Toyota Jidosha Kabushiki Kaisha, Leydig Voit & Mayer, September 5, 1989: US04864147 (19 worldwide citation)

An optically scanning displacement sensor is arranged to compute by means of a triangulation an inverse function from a first measured distance signal proportional to output position signals from a position detecting means which receiving reflected light from an object to be detected, and the first ...