YK

Yoshiaki Kuwahara

HI Hitachi: 14 patents #2,889 of 28,497Top 15%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #301,117 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7861034 Load distribution of multiple disks Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 2010-12-28
7254674 Distribution of I/O requests across multiple disk units Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 2007-08-07
7082496 Cache control method and apparatus Akira Yamamoto, Shigeo Homma, Yoshihiro Asaka, Akira Kurano, Masafumi Nozawa +1 more 2006-07-25
6938125 Storage system with data prefetch function Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 2005-08-30
6728832 Distribution of I/O requests across multiple disk units Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 2004-04-27
6631443 Disk storage system having capability for performing parallel read operation Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 2003-10-07
6250372 Air conditioner Yasuyuki Arai, Masaharu Miwa, Tetsuji Uchiyama, Kengo Takahashi 2001-06-26
6108750 Simultaneous read/write control of data storage disk units Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 2000-08-22
6085286 Cache control method and apparatus Akira Yamamoto, Shigeo Homma, Yoshihiro Asaka, Akira Kurano, Masafumi Nozawa +1 more 2000-07-04
5987911 Air conditioner Yasuyuki Arai, Masaharu Miwa, Tetsuji Uchiyama, Kengo Takahashi 1999-11-23
5835938 Read/write control for grouped disk storage including parallel access Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 1998-11-10
5694576 Cache control by adding record identification information to partial write request Akira Yamamoto, Shigeo Homma, Yoshihiro Asaka, Akira Kurano, Masafumi Nozawa +1 more 1997-12-02
5680574 Data distribution utilizing a master disk unit for fetching and for writing to remaining disk units Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshihiro Asaka, Hiroyuki Kitajima 1997-10-21
5497472 Cache control method and apparatus for storing data in a cache memory and for indicating completion of a write request irrespective of whether a record to be accessed exists in an external storage unit Akira Yamamoto, Shigeo Homma, Yoshihiro Asaka, Akira Kurano, Masafumi Nozawa +1 more 1996-03-05
5404487 Disc access control method for cache-embedded disc control apparatus with function-degradation capability of data transmission path Tomohiro Murata, Masaharu Akatsu, Kenzo Kurihara, Shigeo Honma 1995-04-04
5257352 Input/output control method and system Akira Yamamoto, Toshiaki Tsuboi, Takao Sato, Yoshihiro Asaka, Shigeo Honma +3 more 1993-10-26