Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873673 | Driver circuit having a current mirror circuit | Ryoichi Hori, Goro Kitsukawa, Yoshiki Kawajiri, Takao Watanabe, Takayuki Kawahara | 1989-10-10 |
| 4866673 | BI-MOS semiconductor memory having high soft error immunity | Hisayuki Higuchi, Makoto Suzuki, Noriyuki Homma | 1989-09-12 |
| 4853899 | Semiconductor memory having amplifier including bipolar transistor | Goro Kitsukawa, Takao Watanabe, Ryoichi Hori | 1989-08-01 |
| 4837462 | Semiconductor decoder circuit having switching means for preventing counterflow | Takao Watanabe, Goro Kitukawa, Ryoichi Hori, Yoshiki Kawajiri, Takayuki Kawahara | 1989-06-06 |
| 4825418 | Semiconductor memory | Ryoichi Hori | 1989-04-25 |
| 4803664 | Dynamic random access memory having a gain function | — | 1989-02-07 |
| 4796234 | Semiconductor memory having selectively activated blocks including CMOS sense amplifiers | Yoshiki Kawajiri, Katsutaka Kimura, Ryoichi Hori, Jun Etoh | 1989-01-03 |