Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805136 | Program protection in a programmable electronic calculator | Masuaki Morino, Yoshiyuki Fujikawa, Isamu Haneda | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805136 | Program protection in a programmable electronic calculator | Masuaki Morino, Yoshiyuki Fujikawa, Isamu Haneda | 1989-02-14 |