Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5258958 | Semiconductor memory device | Hiroshi Iwahashi, Kazuhisa Kanazawa, Isao Sato | 1993-11-02 |
| 5214609 | Semiconductor integrated circuit | Hiroshi Iwahashi, Nobuaki Hiraga | 1993-05-25 |
| 5197028 | Semiconductor memory device with dual reference elements | — | 1993-03-23 |
| 5191552 | Semiconductor memory device with address transition actuated dummy cell | Hiroshi Iwahashi, Kazuhisa Kanazawa, Shigeru Kumagai, Isao Sato | 1993-03-02 |
| 5175704 | Nonvolatile semiconductor memory device | Hidenobu Minagawa, Yuuichi Tatsumi, Hiroshi Iwahashi, Masamichi Asano, Mizuho Imai | 1992-12-29 |
| 5073726 | Input circuit of semiconductor integrated circuit and semiconductor integrated circuit having input circuit | Hideo Kato, Shinichi Kikuchi, Hiroshi Iwahashi | 1991-12-17 |
| 5055706 | Delay circuit that resets after pulse-like noise | Hiroshi Iwahashi, Masamichi Asano, Shigeru Kumagai | 1991-10-08 |
| 5040148 | Semiconductor memory device with address transition actuated dummy cell | Hiroshi Iwahashi, Kazuhisa Kanazawa, Shigeru Kumagai, Isao Sato | 1991-08-13 |
| 5010520 | Nonvolatile semiconductor memory device with stabilized data write characteristic | Hidenobu Minagawa, Yuuichi Tatsumi, Hiroshi Iwahashi, Masamichi Asano, Mizuho Imai | 1991-04-23 |
| 4985646 | Output buffer circuit of semiconductor integrated circuit | Shigeru Kumagai, Hiroshi Iwahashi | 1991-01-15 |
| 4922133 | Voltage detecting circuit | Hiroshi Iwahashi, Masamichi Asano | 1990-05-01 |
| 4831592 | Nonvolatile semiconductor memory device | Hiroshi Iwahashi, Masamichi Asano, Isao Sato, Shigeru Kumagai, Kazuto Suzuki | 1989-05-16 |
| 4819212 | Nonvolatile semiconductor memory device with readout test circuitry | Hiroshi Iwahashi, Masamichi Asano, Isao Sato, Shigeru Kumagai, Kazuto Suzuki | 1989-04-04 |