Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849354 | Solid oxide fuel cell having perovskite solid electrolytes | Fumio Munakata, Yasukazu Iwasaki | 2005-02-01 |
| 6507051 | Semiconductor integrated circuit device | — | 2003-01-14 |
| 6207976 | Semiconductor device with ohmic contacts on compound semiconductor and manufacture thereof | Tsuyoshi Takahashi, Naoya Okamoto | 2001-03-27 |
| 6071780 | Compound semiconductor apparatus and method for manufacturing the apparatus | Naoya Okamoto, Hitoshi Tanaka | 2000-06-06 |
| 5920105 | Compound semiconductor field effect transistor having an amorphous gas gate insulation layer | Naoya Okamoto, Hitoshi Tanaka | 1999-07-06 |
| 5900641 | Field effect semiconductor device having a reduced leakage current | Shuichi Tanaka, Masahiko Takikawa | 1999-05-04 |
| 5591994 | Compound semiconductor field effect transistor having a controlled diffusion profile of impurity elements | Shigeru Kuroda, Masashi Shima | 1997-01-07 |
| 5001454 | Thin film resistor for strain gauge | Hideya Yamadera, Yoshiki Seno, Yasunori Taga, Katsuhiko Ariga, Tadashi Ozaki +1 more | 1991-03-19 |
| 4995471 | Air cleaner and carburetor layout for motorcycles | Nobuo Yamaguchi | 1991-02-26 |
| 4964483 | Motor scooter | Masashi Yokoyama | 1990-10-23 |
| 4815554 | Air cleaner and carburetor layout for motorcycles | Nobuo Yamaguchi | 1989-03-28 |