Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841153 | SRAM semiconductor device | Masahiro Ishida, Yoshiyuki Ishigaki | 1998-11-24 |
| 5838609 | Integrated semiconductor device having negative resistance formed of MIS switching diode | — | 1998-11-17 |
| 5818080 | Semiconductor memory device including a memory cell region of six transistors | — | 1998-10-06 |
| 5780888 | Semiconductor device with storage node | Shigenobu Maeda, Yasuo Inoue, Shigeto Maegawa, Kyozo Kanamoto, Toshiaki Iwamatsu | 1998-07-14 |
| 5774393 | Semiconductor memory device capable of operating at high speed and stably even low power supply voltage | — | 1998-06-30 |
| 5717240 | Static semiconductor memory device | Masahiro Ishida | 1998-02-10 |
| 5689458 | Semiconductor memory device having negative resistance element operated stably with single low power source | — | 1997-11-18 |
| 5673230 | Semiconductor memory device capable of operating at high speed and stably even under low power supply voltage | — | 1997-09-30 |
| 5627390 | Semiconductor device with columns | Shigenobu Maeda, Yasuo Inoue, Shigeto Maegawa, Kyozo Kanamoto, Toshiaki Iwamatsu | 1997-05-06 |
| 5619056 | SRAM semiconductor device | Masahiro Ishida, Yoshiyuki Ishigaki | 1997-04-08 |
| 5596212 | Semiconductor memory device and a manufacturing method of the same | — | 1997-01-21 |
| 5550390 | Semiconductor device and manufacturing method thereof | Teruhiko Okada, Yoshio Kohno | 1996-08-27 |
| 5517038 | Semiconductor device including three-dimensionally disposed logic elements for improving degree of integration | Shigenobu Maeda | 1996-05-14 |
| 5463576 | Semiconductor memory device including memory cells connected to a ground line | Yoshio Kohno | 1995-10-31 |
| 5384731 | SRAM memory structure and manufacturing method thereof | Yukio Maki, Yoshio Kohno | 1995-01-24 |
| 5379247 | Semiconductor memory device including memory cells connected to a ground line | Yoshio Kohno | 1995-01-03 |
| 5341327 | Static random access type semiconductor memory device | — | 1994-08-23 |
| 4811155 | Protection circuit for a semiconductor integrated circuit having bipolar transistors | Tomohisa Wada, Shuuji Murakami | 1989-03-07 |