Issued Patents All Time
Showing 126–149 of 149 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226212 | Semiconductor memory device, nonvolatile semiconductor memory device, and their data reading method | Yoshinori Sakamoto, Atsushi Nozoe, Hitoshi Miwa, Kazuyoshi Oshima | 2001-05-01 |
| 6157573 | Nonvolatile memory system, semiconductor memory, and writing method | Hitoshi Miwa, Osamu Tsuchiya, Shooji Kubono | 2000-12-05 |
| 6023425 | Nonvolatile memory system, semiconductor memory, and writing method | Hitoshi Miwa, Osamu Tsuchiya, Shooji Kubono | 2000-02-08 |
| 6009016 | Nonvolatile memory system semiconductor memory and writing method | Hitoshi Miwa, Osamu Tsuchiya, Shooji Kubono | 1999-12-28 |
| 5982668 | Nonvolatile memory system, semiconductor memory and writing method | Hitoshi Miwa, Osamu Tsuchiya, Shooji Kubono | 1999-11-09 |
| 5867428 | Nonvolatile memory system semiconductor memory and writing method | Hitoshi Miwa, Osamu Tsuchiya, Shooji Kubono | 1999-02-02 |
| 5675172 | Metal-insulator-semiconductor device having reduced threshold voltage and high mobility for high speed/low-voltage operation | Masafumi Miyamoto | 1997-10-07 |
| 5493236 | Test analysis apparatus and analysis method for semiconductor wafer using OBIC analysis | Kazutoshi Miyamoto | 1996-02-20 |
| 5463235 | Semiconductor memory comprising a memory cell without a transistor | — | 1995-10-31 |
| 5393998 | Semiconductor memory device containing junction field effect transistor | Tatsuo Shinohara | 1995-02-28 |
| 5389873 | Pressure contact chip and wafer testing device | Masatoshi Matsumoto | 1995-02-14 |
| 5359221 | Semiconductor device | Masafumi Miyamoto, Ryo Nagai, Koichi Seki | 1994-10-25 |
| 5334540 | OBIC observation method and apparatus therefor | — | 1994-08-02 |
| 5250831 | DRAM device having a memory cell array of a divided bit line type | — | 1993-10-05 |
| 5243209 | Semiconductor memory device including junction field effect transistor and capacitor and method of manufacturing the same | — | 1993-09-07 |
| 5112771 | Method of fibricating a semiconductor device having a trench | Yoji Mashiko, Masao Nagatomo, Michihiro Yamada | 1992-05-12 |
| 5086322 | Input protection circuit and output driver circuit comprising MIS semiconductor device | Takashi Miyakawa | 1992-02-04 |
| 5010379 | Semiconductor memory device with two storage nodes | — | 1991-04-23 |
| 4985368 | Method for making semiconductor device with no stress generated at the trench corner portion | Yoshinori Okumura, Masao Nagatomo | 1991-01-15 |
| 4970580 | Semiconductor memory device having protruding cell configuration | — | 1990-11-13 |
| 4894695 | Semiconductor device with no stress generated at the trench corner portion and the method for making the same | Yoshinori Okumura, Masao Nagatomo | 1990-01-16 |
| 4884121 | Semiconductor device | — | 1989-11-28 |
| 4849279 | Insect-repellent assembly | Takashi Toyama, Haruyoshi Narita | 1989-07-18 |
| 4772569 | Method for forming oxide isolation films on french sidewalls | Ikuo Ogoh | 1988-09-20 |