Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497035 | Method of generating time delay | Shigeru Yabuuchi, Kazuyuki Kodama, Jushi Ide | 1985-01-29 |
| 4414640 | Arithmetical method for digital differential analyzer | Shigeru Yabuuchi | 1983-11-08 |
| 4297691 | Figure displaying device | Kazuyuki Kodama, Kunihiro Okada, Yasutaka Shibuya | 1981-10-27 |