Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643750 | Storage apparatus system and method of data backup | Takashi Oeda, Katsunori Nakamura | 2003-11-04 |
| 6502204 | Library system storing removable storage media | Akira Yamamoto, Manabu Kitamura | 2002-12-31 |
| 6237109 | Library unit with spare media and it's computer system | Akira Yamamoto, Manabu Kitamura | 2001-05-22 |
| 5930193 | Memory system using a flash memory and method of controlling the memory system | Akira Yamamoto, Hirotsugu Yamagata | 1999-07-27 |
| 5737742 | Memory system using flash memory and method of controlling the memory system | Akira Yamamoto, Hirotsugu Yamagata | 1998-04-07 |
| 5613088 | Raid system including first and second read/write heads for each disk drive | Akira Yamamoto, Tetsuhiko Fujii, Takao Satoh, Masafumi Nozawa | 1997-03-18 |