Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870565 | Parallel transfer type director means | Akira Yamamoto, Toru Nishigaki, Akira Kurano, Yoshiro Shiroyana | 1989-09-26 |
| 4800483 | Method and system for concurrent data transfer disk cache system | Akira Yamamoto, Toru Nishigaki, Akira Kurano, Yoshiro Shiroyanagi | 1989-01-24 |