YT

Yoshifumi Takamoto

HI Hitachi: 124 patents #18 of 28,497Top 1%
HE Hitachi Micro Computer Engineering: 2 patents #45 of 393Top 15%
Overall (All Time): #9,344 of 4,157,543Top 1%
124
Patents All Time

Issued Patents All Time

Showing 101–124 of 124 patents

Patent #TitleCo-InventorsDate
6449607 Disk storage with modifiable data management function Aki Tomita 2002-09-10
6449631 Method and apparatus for transmitting data in a network wherein acknowledgment signals are transmitted to acknowledge receipt of data Hiroki Kanai, Tadahiro Takase, Katsuyoshi Kitai, Yoshimasa Masuoka 2002-09-10
6378039 Storage subsystem which balances loads across a plurality of disk controllers Kiyohiro Obara 2002-04-23
6341335 Information processing system for read ahead buffer memory equipped with register and memory controller Hiroki Kanai, Yasuo Inoue 2002-01-22
6256749 Disk array system and its control method Hitoshi Kakuta 2001-07-03
6049890 Disk array system and its control method Hitoshi Kakuta 2000-04-11
6043988 Hard disk drive and hard disk apparatus having bus and its installing method Hiroki Kanai, Mitsuo Ooyama 2000-03-28
5948069 Networking system and parallel networking method Katsuyoshi Kitai, Satoshi Yoshizawa, Toyohiko Kagimasa, Fumio Noda, Yoshimasa Masuoka 1999-09-07
5903724 Method of transferring packet data in a network by transmitting divided data packets Hiroki Kanai, Tadahiro Takase, Katsuyoshi Kitai, Yoshimasa Masuoka 1999-05-11
5903442 Hard disk drive and hard disk apparatus having bus and its installing method Hiroki Kanai, Mitsuo Ooyama 1999-05-11
5754756 Disk array system having adjustable parity group sizes based on storage unit capacities Naoki Watanabe, Hitoshi Kakuta 1998-05-19
5752256 Disk array apparatus and method for dividing and reading/writing partial data across a plurality of drive groups utilizing parallel processing Hiroaki Fujii, Hitoshi Kakuta 1998-05-12
5737510 Disc array system having disc storage devices dispersed on plural boards and accessible at withdrawal of part of the boards Hitoshi Kakuta, Toyohiko Kagimasa 1998-04-07
5640596 Input output control system for transferring control programs collectively as one transfer unit designated by plurality of input output requests to be executed Hiroaki Odawara 1997-06-17
5636356 Disk array with original data stored in one disk drive and duplexed data distributed and stored in different disk drives Hitoshi Kakuta, Toyohiko Kagimasa, Atsushi Tanaka 1997-06-03
5600783 Disc array system having disc storage devices dispersed on plural boards and accessible at withdrawal of part of the boards Hitoshi Kakuta, Toyohiko Kagimasa 1997-02-04
5579474 Disk array system and its control method Hitoshi Kakuta 1996-11-26
5542064 Data read/write method by suitably selecting storage units in which multiple copies of identical data are stored and apparatus therefor Atsushi Tanaka, Hitoshi Kakuta 1996-07-30
5511177 File data multiplexing method and data processing system Toyohiko Kagimasa, Hitoshi Kakuta 1996-04-23
5463765 Disk array system, data writing method thereof, and fault recovering method Hitoshi Kakuta, Yoshihisa Kamo 1995-10-31
5274809 Task execution control method for a multiprocessor system with enhanced post/wait procedure Masaaki Iwasaki, Shoji Yamamoto, Takashi Sumiyoshi, Kazuo Masai, Toshiharu Shinozaki +1 more 1993-12-28
5115392 Method and apparatus for multi-transaction batch processing Shunichi Torii 1992-05-19
4912635 System for reexecuting branch instruction without fetching by storing target instruction control information Tadahiko Nishimukai, Atsushi Hasegawa, Kunio Uchiyama 1990-03-27
4734877 Vector processing system Akiharu Sakata, Shunichi Torii 1988-03-29