Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784504 | Multi-function printer | Tsutomu Hamano | 1988-11-15 |
| 4780006 | Dot matrix printer | Tsutomu Hamano | 1988-10-25 |
| 4636050 | Reflection type overhead projector | Susumu Tohata | 1987-01-13 |
| 4573112 | Switching regulator with a quiescent time period | Yoshiaki Nishiyama | 1986-02-25 |