Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8384152 | Semiconductor device having trench gate VDMOSFET and method of manufacturing the same | Naoki Izumi, Masaki Nagata | 2013-02-26 |
| 8148783 | Semiconductor device | — | 2012-04-03 |
| 7307349 | Semiconductor device of chip-on-chip structure, assembling process therefor, and semiconductor chip to be bonded to solid surface | Junichi Hikita, Koji Yamamoto | 2007-12-11 |
| 6965166 | Semiconductor device of chip-on-chip structure | Junichi Hikita, Koji Yamamoto | 2005-11-15 |
| 6897091 | Semiconductor device and manufacturing method thereof | Junichi Hikita, Nobuhisa Kumamoto | 2005-05-24 |
| 6404040 | Semiconductor device with metal peripheral area | Junichi Hikita, Nobuhisa Kumamoto | 2002-06-11 |
| 5726467 | Multiple narrow-line-channel fet having improved noise characteristics | — | 1998-03-10 |
| 5412230 | High electron mobility transistor having improved electron controllability | — | 1995-05-02 |
| 5366849 | Photoresist pattern formation through etching where the imaging exposure changes in a given direction in the desired pattern and inclined vapor deposition is utilized to deposit a film | Masayuki Sonobe | 1994-11-22 |
| 5343056 | Compound semiconductor device | — | 1994-08-30 |
| 5321278 | High electron mobility transistor | — | 1994-06-14 |
| 5313093 | Compound semiconductor device | — | 1994-05-17 |
| 5296728 | Compound semiconductor device with different gate-source and gate-drain spacings | — | 1994-03-22 |
| 5126288 | Fine processing method using oblique metal deposition | — | 1992-06-30 |
| 5110751 | Method of manufacturing a compound semiconductor device | — | 1992-05-05 |