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

Junji Ogawa

Hitachi: 70 patents #109 of 28,497Top 1%
Fujitsu Limited: 45 patents #350 of 24,456Top 2%
KEKeyence: 3 patents #76 of 266Top 30%
FCFuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
KRK.K. Video Research: 1 patents #4 of 8Top 50%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Sagamihara, JP: #1 of 1 inventorsTop 100%
Overall (All Time): #8,973 of 4,157,543Top 1%
126 Patents All Time

Issued Patents All Time

Showing 26–50 of 126 patents

Patent #TitleCo-InventorsDate
9477405 Storage system Tsukasa Shibayama, Akifumi Suzuki, Nobuhiro Maki, Masayasu Asano 2016-10-25
9411527 Storage system and data management method Hiroaki Akutsu 2016-08-09
9405478 Storage apparatus provided with a plurality of nonvolatile semiconductor storage media and storage control method Hideyuki Koseki 2016-08-02
9387684 Ink jet recording apparatus, ink or solvent cartridge, and bottle included in cartridge Hiroki Wada, Mamoru Idaka 2016-07-12
9367469 Storage system and cache control method Akifumi Suzuki 2016-06-14
9361033 Compound storage system and storage control method Miho Imazaki, Shigeo Homma, Hiroaki Akutsu, Yoshiaki Eguchi, Akira Yamamoto 2016-06-07
9343153 De-duplication in flash memory module Atsushi Kawamura 2016-05-17
9335929 Nonvolatile semiconductor storage system Atsushi Ishikawa, Koji Sonoda, Go Uehara, Hideyuki Koseki 2016-05-10
9317423 Storage system which realizes asynchronous remote copy using cache memory composed of flash memory, and control method thereof Kohei Tatara, Akira Yamamoto 2016-04-19
9223655 Storage system and method for controlling storage system Sadahiro Sugimoto 2015-12-29
9183136 Storage control apparatus and storage control method Atsushi Kawamura 2015-11-10
9164693 Remote copy system and remote copy control method Junichi Hara 2015-10-20
9128847 Cache control apparatus and cache control method Yuji Ito, Hideyuki Koseki 2015-09-08
9111618 De-duplication in flash memory module Atsushi Kawamura 2015-08-18
9063663 Semiconductor storage device and data control method thereof Akifumi Suzuki, Atsushi Kawamura 2015-06-23
9047220 Storage system and data management method Hiroaki Akutsu 2015-06-02
9003087 Compound storage system and storage control method Miho Imazaki, Shigeo Homma, Hiroaki Akutsu, Yoshiaki Eguchi, Akira Yamamoto 2015-04-07
8984211 Computer system and management system Tsukasa Shibayama, Akifumi Suzuki, Nobuhiro Maki, Masayasu Asano 2015-03-17
8972651 Storage system and storage method Atsushi Kawamura 2015-03-03
D722642 Ink bottle for inkjet printer Hiroki Wada 2015-02-17
8949511 Nonvolatile semiconductor storage system Atsushi Ishikawa, Koji Sonoda, Go Uehara, Hideyuki Koseki 2015-02-03
8898545 Semiconductor storage device and control method of nonvolatile memory Takashi Tsunehiro, Akifumi Suzuki 2014-11-25
8832371 Storage system with multiple flash memory packages and data control method therefor Go Uehara, Koji Sonoda 2014-09-09
8806108 Semiconductor storage apparatus and method of controlling semiconductor storage apparatus Akifumi Suzuki 2014-08-12
8799562 Storage apparatus and data control method for generating and storing format data and guarantee codes Atsushi Kawamura 2014-08-05