Issued Patents All Time
Showing 151–175 of 182 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378923 | Semiconductor device including a field effect transistor | Katsuyoshi Mitsui | 1995-01-03 |
| 5347151 | DRAM with memory cells having access transistor formed on solid phase epitaxial single crystalline layer and manufacturing method thereof | Takehisa Yamaguchi, Natsuo Ajika | 1994-09-13 |
| 5334683 | Acrylate polymer elastomer and vulcanizable composition containing the same | Takafumi Kawanaka, Takeshi Ohishi | 1994-08-02 |
| 5312767 | MOS type field effect transistor and manufacturing method thereof | Tachihisa Yamaguchi | 1994-05-17 |
| 5300727 | Electrical musical instrument having a tone color searching function | Ichiro Osuga | 1994-04-05 |
| 5275960 | Method of manufacturing MIS type FET semiconductor device with gate insulating layer having a high dielectric breakdown strength | Takehisa Yamaguchi | 1994-01-04 |
| 5275629 | Semiconductor device manufacturing apparatus | Natsuo Ajika, Takehisa Yamaguchi | 1994-01-04 |
| 5268321 | Method of making DRAM cell having improved radiation protection | Hiroki Shimano, Masahide Inuishi, Katsuhiro Tsukamoto | 1993-12-07 |
| 5258321 | Manufacturing method for semiconductor memory device having stacked trench capacitors and improved intercell isolation | Katsuhiro Tsukamoto, Masahide Inuishi | 1993-11-02 |
| 5250458 | Method for manufacturing semiconductor memory device having stacked memory capacitors | Katsuhiro Tsukamoto, Kazuyasu Fujishima, Yoshio Matsuda | 1993-10-05 |
| 5231038 | Method of producing field effect transistor | Takehisa Yamaguchi | 1993-07-27 |
| 5225701 | Vertical silicon-on-insulator (SOI) MOS type field effect transistor | Tachihisa Yamaguchi | 1993-07-06 |
| 5220117 | Electronic musical instrument | Hideo Yamada | 1993-06-15 |
| 5217910 | Method of fabricating semiconductor device having sidewall spacers and oblique implantation | Katsuyoshi Mitsui, Yomiyuki Yama, Masatoshi Yasunaga | 1993-06-08 |
| 5167179 | Electronic musical instrument for simulating a stringed instrument | Akira Yamauchi | 1992-12-01 |
| 5144393 | Structure for a PSD type field effect transistor | Takehisa Yamaguchi | 1992-09-01 |
| 5134452 | MIS type FET semiconductor device with gate insulating layer having a high dielectric breakdown strength | Takehisa Yamaguchi | 1992-07-28 |
| 5087588 | Method of making a side wall contact with reactive ion etching | Katsuhiro Tsukamoto | 1992-02-11 |
| 5061654 | Semiconductor integrated circuit having oxide regions with different thickness | Katsuhiro Tsukamoto | 1991-10-29 |
| 5023682 | Semiconductor memory device | Hiroki Shimano, Masahide Inuishi, Katsuhiro Tsukamoto | 1991-06-11 |
| 4942448 | Structure for isolating semiconductor components on an integrated circuit and a method of manufacturing therefor | Katsuhiro Tsukamoto, Masahide Inuishi | 1990-07-17 |
| 4931897 | Method of manufacturing semiconductor capacitive element | Katsuhiro Tsukamoto, Hiroshi Miyatake | 1990-06-05 |
| 4891035 | Slide type universal joint having longitudinal grooves in which rollers travel without tilting | Akira Sasaki, Seiji Esaki, Shigeo Kurita | 1990-01-02 |
| 4855953 | Semiconductor memory device having stacked memory capacitors and method for manufacturing the same | Katsuhiro Tsukamoto, Kazuyasu Fujishima, Yoshio Matsuda | 1989-08-08 |
| 4813078 | Character recognition apparatus | Akie Fujiwara, Mariko Takenouchi | 1989-03-14 |