SD

Seiichi Domyo

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
NE Nec: 3 patents #4,195 of 14,502Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HG HGST: 2 patents #144 of 483Top 30%
HC Hitachi Computer Peripherals Co.: 1 patents #41 of 133Top 35%
Overall (All Time): #384,016 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8627026 Storage apparatus and additional data writing method Taketoshi Sakuraba, Hidehisa Arikawa 2014-01-07
7711714 Method and a device for sterilizing downloaded files Kazuo Takaragi, Hiroshi Yoshiura 2010-05-04
7149930 Recording/reproducing apparatus Hitoshi Ogawa, Yukie Hiratsuka 2006-12-12
7139759 Method and a device for managing a computer network Kazuo Takaragi, Hiroshi Yoshiura 2006-11-21
7073037 System for controlling host access to a storage device based on physical characteristics of the storage device Atsushi Okuyama, Hitoshi Ogawa, Kazuaki Usui 2006-07-04
6311277 Method and device for managing computer network Kazuo Takaragi, Hiroshi Yoshiura 2001-10-30
6272225 Key recovery condition encryption and decryption apparatuses Hiroshi Miyauchi, Kazue Sako, Masashi Yamazaki, Hiroyoshi Tsuchiya, Seiko Kanno +4 more 2001-08-07
6266421 Key recovery system and key recovery method Hiroyoshi Tsuchiya, Seiko Kanno, Hiroyuki Ando, Ichirou Morita, Yasutsugu Kuroda +4 more 2001-07-24
6185308 Key recovery system Hiroyuki Ando, Ichirou Morita, Yasutsugu Kuroda, Naoya Torii, Masashi Yamazaki +4 more 2001-02-06
6118874 Encrypted data recovery method using split storage key and system thereof Eiji Okamoto, Masahiro Mambo, Hiroyoshi Tsuchiya, Tooru Kawai, Kazuo Takaragi +2 more 2000-09-12
5872530 Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same Hiroshi Yoshiura, Yoshiaki Hattori, Yutaka Otsu, Hiromasa Murakami 1999-02-16
5559984 Distributed file system permitting each user to enhance cache hit ratio in file access mode Hirohiko Nakano, Takaki Kuroda, Naofumi Shouji, Atsushi Kobayashi 1996-09-24
5361349 Virtual object management system for managing virtual objects which correspond to real objects under a user defined hierarchy Yumiko Sugita, Hisashi Hashimoto, Masaki Tsuruki 1994-11-01