Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RH

Ryuichi Hattori

Hitachi: 21 patents #1,645 of 28,497Top 6%
HCHouse Food Industrial Co.: 9 patents #4 of 117Top 4%
HCHitachi Keiyo Engineering Co.: 6 patents #2 of 115Top 2%
HEHitachi Vlsi Engineering: 5 patents #155 of 666Top 25%
BCBandai Co.: 1 patents #89 of 210Top 45%
TCTokuda Seisakusho Co: 1 patents #4 of 28Top 15%
HSHitachi Chubu Software: 1 patents #13 of 34Top 40%
HFHouse Foods: 1 patents #19 of 66Top 30%
NGNamco Bandai Games: 1 patents #56 of 178Top 35%
Overall (All Time): #108,821 of 4,157,543Top 3%
33 Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
7717781 Apparatus and method for controlling clearing in a falling object game with a sequence bar Osamu Kodera, Katsumi Yokota 2010-05-18
7711817 Data processing apparatus and network system that outputs quality of service information to a user Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 2010-05-04
7447708 Data processing apparatus and network system that outputs quality of service information to a user Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 2008-11-04
6868446 Data processing apparatus and network system that outputs quality of service information to a user Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 2005-03-15
6622195 Interface switching apparatus and switching control method Hideyuki Osakada, Yukihiro Seki 2003-09-16
6584530 Information processing system, bus arbiter, and bus controlling method Nobukazu Kondo, Koichi Okazawa, Yukihiro Seki, Masaya Umemura, Shigemi Adachi +2 more 2003-06-24
6519640 Accessible network of performance index tables Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 2003-02-11
6425037 Information processing system, bus arbiter, and bus controlling method Nobukazu Kondo, Koichi Okazawa, Yukihiro Seki, Masaya Umemura, Shigemi Adachi +2 more 2002-07-23
6421279 Flash memory control method and apparatus processing system therewith Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Yukihiro Seki +11 more 2002-07-16
6370577 Information processing system having a network and a directory which may be referenced to supply information to an apparatus Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 2002-04-09
6308239 Interface switching apparatus and switching control method Hideyuki Osakada, Yukihiro Seki 2001-10-23
6275436 Flash memory control method and apparatus processing system therewith Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Yukihiro Seki +11 more 2001-08-14
6094674 Information processing system and information processing method and quality of service supplying method for use with the system Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 2000-07-25
6078520 Flash memory control method and information processing system therewith Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Yukihiro Seki +11 more 2000-06-20
6021455 Method and system for arbitrating a bus according to the status of a buffer and destination information Nobukazu Kondo, Koichi Okazawa, Yukihiro Seki, Masaya Umemura, Shigemi Adachi +2 more 2000-02-01
5973964 Flash memory control method and information processing system therewith Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Yukihiro Seki +11 more 1999-10-26
5862083 Information processing system Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Yukihiro Seki +11 more 1999-01-19
5781434 Control system for communication apparatus Tsunehiro Tobita, Yukihiro Seki, Yuji Miyagawa, Shigeru Sakurai, Michiyuki Suzuki +1 more 1998-07-14
5774656 Information processing system and method and service supplying method for use within a network Toshihiko Ogura, Takashi Oeda, Koichi Okazawa, Hideki Osaka, Tsunehiro Tobita +1 more 1998-06-30
5724591 Multiprocessor system with reduced power mode and improved variation of power demand Tsutomu Hara, Takashi Maruyama, Hitoshi Yoshidome, Tsunehiro Tobita 1998-03-03
5590489 Method for growing fruit body of Fistulina hepatica Hisashi Tanaka 1997-01-07
5588004 Bus synchronizing method and system based thereon Shinichi Suzuki, Yukihiro Seki 1996-12-24
5530673 Flash memory control method and information processing system therewith Tsunehiro Tobita, Jun Kitahara, Takashi Tsunehiro, Kunihiro Katayama, Yukihiro Seki +11 more 1996-06-25
5223137 Centrifugal separation apparatus with solids discharge controlled by reciprocating bottom lid Nobuhide Nakagawa 1993-06-29
5182982 Continuous vacuum frier Nobuhide Nakagawa 1993-02-02