Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873673 | Driver circuit having a current mirror circuit | Ryoichi Hori, Kiyoo Itoh, Goro Kitsukawa, Yoshiki Kawajiri, Takao Watanabe | 1989-10-10 |
| 4837462 | Semiconductor decoder circuit having switching means for preventing counterflow | Takao Watanabe, Goro Kitukawa, Ryoichi Hori, Kiyoo Itoh, Yoshiki Kawajiri | 1989-06-06 |