Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873673 | Driver circuit having a current mirror circuit | Ryoichi Hori, Kiyoo Itoh, Goro Kitsukawa, Takao Watanabe, Takayuki Kawahara | 1989-10-10 |
| 4837462 | Semiconductor decoder circuit having switching means for preventing counterflow | Takao Watanabe, Goro Kitukawa, Ryoichi Hori, Kiyoo Itoh, Takayuki Kawahara | 1989-06-06 |
| 4796234 | Semiconductor memory having selectively activated blocks including CMOS sense amplifiers | Kiyoo Itoh, Katsutaka Kimura, Ryoichi Hori, Jun Etoh | 1989-01-03 |