Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836666 | Electronic calculating apparatus | Takaharu Aoyama, Kazuhiko Arikawa, Mitsuru Okano | 1998-11-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836666 | Electronic calculating apparatus | Takaharu Aoyama, Kazuhiko Arikawa, Mitsuru Okano | 1998-11-17 |