Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528524 | Calculating device capable of quickly finding a solution in an application using the iterative method | Toshiro Oba | 1996-06-18 |
| 5289393 | Portable electronic apparatus | — | 1994-02-22 |