Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805136 | Program protection in a programmable electronic calculator | Yoshiyuki Fujikawa, Isamu Haneda, Tetsuo Myoi | 1989-02-14 |
MM
Masuaki Morino
Overall (1989): #79,881 of 140,708Top 60%
1
Patents 1989