Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796137 | Semiconductor memory device having capacitor of thin film transistor structure | — | 1998-08-18 |
| 5712652 | Liquid crystal display device | Hajime Sato, Shuichiro Ishizawa, Nozomu Harada, Shigeyuki Hayakawa, Yoshiro Aoki | 1998-01-27 |
| 5661678 | Semiconductor memory device using dynamic type memory cells | Masako Yoshida, Yukihito Oowaki, Takehiro Hasegawa, Masayuki Koizumi | 1997-08-26 |
| 5563434 | Semiconductor memory device having capacitor of thin film transistor structure | — | 1996-10-08 |
| 5557566 | Semiconductor nonvolatile ram having E2PROM with a floating gate located above the midportion of the transistor channel | — | 1996-09-17 |
| 5517454 | Semiconductor memory device having refresh circuits | Katsuhiko Sato, Yukihiro Urakawa | 1996-05-14 |
| 5317532 | Semiconductor memory device having voltage stress testing capability | — | 1994-05-31 |
| 5315546 | Non-volatile semiconductor memory using a thin film transistor | — | 1994-05-24 |
| 5281843 | Thin-film transistor, free from parasitic operation | Shigeyuki Hayakawa | 1994-01-25 |
| 5282162 | Semiconductor memory device having capacitor of thin film transistor structure | — | 1994-01-25 |
| 5278459 | Static semiconductor memory using thin film FET | Masataka Matsui, Katsuhiko Sato | 1994-01-11 |
| 5276647 | Static random access memory including stress test circuitry | Masataka Matsui, Tohru Furuyama, Shigeyuki Hayakawa | 1994-01-04 |
| 5262988 | Dynamic memory cell and dynamic memory | — | 1993-11-16 |
| 5239501 | Static memory cell | Masataka Matsui | 1993-08-24 |
| 5204834 | Static semiconductor memory device | Shigeyuki Hayakawa | 1993-04-20 |
| 5157474 | Static memory | — | 1992-10-20 |
| 5132929 | Static RAM including leakage current detector | — | 1992-07-21 |
| 4958316 | Static random access memory | Masataka Matsui, Osamu Ozawa | 1990-09-18 |
| 4907059 | Semiconductor bipolar-CMOS inverter | Kiyoshi Kobayashi, Tatsuya Inatsuki | 1990-03-06 |
| 4903096 | Semiconductor memory device with barrier layer | Fujio Masuoka | 1990-02-20 |
| 4901284 | Static random access memory | Masataka Matsui, Osamu Ozawa | 1990-02-13 |
| 4814841 | Semiconductor device | Fujio Masuoka | 1989-03-21 |
| 4813021 | Semiconductor memory device with delayed precharge signals | Hajime Kai | 1989-03-14 |
| 4779014 | BiCMOS logic circuit with additional drive to the pull-down bipolar output transistor | Fujio Masuoka | 1988-10-18 |
| 4710897 | Semiconductor memory device comprising six-transistor memory cells | Fujio Masuoka | 1987-12-01 |