Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954982 | Method and circuit for checking storage protection by pre-checking an access request key | Minoru Koshino, Kazuyuki Shimizu | 1990-09-04 |
| 4547848 | Access control processing system in computer system | Hidehiko Nishida, Minoru Koshino, Akira Hattori | 1985-10-15 |
| 4514847 | Key storage error processing system | Kazuyuki Shimizu | 1985-04-30 |
| 4507729 | Error processing system using two different types of replace logic | Masanori Takahashi | 1985-03-26 |