Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885431 | Printed circuit board | Shin Kawakami, Hirotaka Okonogi, Katutomo Nikaido, Norito Mukai | 1989-12-05 |
| 4859805 | Printed wiring board | Shin Kawakami, Hirotaka Okonogi, Katutomo Nikaido, Norito Mukai | 1989-08-22 |
| 4806706 | Printed wiring board | Hideo Machida, Shin Kawakami, Hirotaka Okonogi, Katutomo Nikaido, Norito Mukai | 1989-02-21 |