MU

Masaya Umemura

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
📍 Fujisawa, OR: #1 of 1 inventorsTop 100%
Overall (All Time): #240,519 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8413214 Terminal system for guaranteeing authenticity, terminal, and terminal management server Takatoshi Kato, Katsuyuki Umezawa, Makoto Kayashima, Akira Kanehira 2013-04-02
7904046 Radio equipment having an attenuator between antenna and radio module Yukihide Inagaki, Isao Takita, Tsutomu Hara 2011-03-08
7584431 Communication system and terminal units connected thereto Hiroi Kazushige, Nobukazu Kondo, Tsutomu Hara, Tooru Yokozawa, Kazuchika Ogiwara +1 more 2009-09-01
7356485 Service providing system Yukihide Inagaki, Isao Takita, Tsutomu Hara 2008-04-08
7283671 Communications terminal Kazushige Hiroi, Tsutomu Hara, Seishi Hanaoka, Kazuo Shigematsu 2007-10-16
7257202 Telephone communication system Takeo Tomokane, Kazushige Hiroi 2007-08-14
7206561 Radio equipment Yukihide Inagaki, Isao Takita, Tsutomu Hara 2007-04-17
6748463 Information processor with snoop suppressing function, memory controller, and direct memory access processing method Masahide Tsuboi, Takashi Moriyama, Hiroshi Murashima, Masumi Terao, Michinori Naitoh +1 more 2004-06-08
6600790 Gap-coupling bus system Hideki Osaka 2003-07-29
6584530 Information processing system, bus arbiter, and bus controlling method Nobukazu Kondo, Koichi Okazawa, Yukihiro Seki, Ryuichi Hattori, Shigemi Adachi +2 more 2003-06-24
6523133 Information processing apparatus that can hold internal information Sawamura Shin'ichi, Nobuhiko Hara, Jun Kitahara, Masato Ishii, Kenichi Saitou 2003-02-18
6438708 Information processing apparatus that can hold internal information Sawamura Shinichi, Nobuhiko Hara, Jun Kitahara, Masato Ishii, Kenichi Saitou 2002-08-20
6425037 Information processing system, bus arbiter, and bus controlling method Nobukazu Kondo, Koichi Okazawa, Yukihiro Seki, Ryuichi Hattori, Shigemi Adachi +2 more 2002-07-23
6125419 Bus system, printed circuit board, signal transmission line, series circuit and memory module Hideki Osaka, Toshitsugu Takekuma 2000-09-26
6088829 Synchronous data transfer system Toshitsugu Takekuma 2000-07-11
6034878 Source-clock-synchronized memory system and memory unit Hideki Osaka, Akira Yamagiwa, Toshitsugu Takekuma 2000-03-07
6021455 Method and system for arbitrating a bus according to the status of a buffer and destination information Nobukazu Kondo, Koichi Okazawa, Yukihiro Seki, Ryuichi Hattori, Shigemi Adachi +2 more 2000-02-01
5933623 Synchronous data transfer system Toshitsugu Takekuma 1999-08-03
5462442 Module for information processing apparatus using stacked printed circuit boards and connector for stacking printed circuit boards Toshihiko Ogura, Hideki Osaka, Masatsugu Shinozaki 1995-10-31