Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933333 | Switching power supply apparatus | — | 1999-08-03 |
| 5892665 | Overcurrent protection circuit | Tadahiko Matsumoto, Seiichi Takahashi, Yoshihiro Matsumoto | 1999-04-06 |
| 5798203 | Method of making a negative photoresist image | Hiroshi Haraguchi | 1998-08-25 |
| 5707051 | Wafer stage apparatus for attracting and holding semiconductor wafer | — | 1998-01-13 |
| 5564682 | Wafer stage apparatus for attaching and holding semiconductor wafer | — | 1996-10-15 |
| 5514625 | Method of forming a wiring layer | — | 1996-05-07 |
| 5432125 | Method of manufacturing semiconductor device | Hiroto Misawa | 1995-07-11 |
| 5385851 | Method of manufacturing HEMT device using novolak-based positive-type resist | Hiroto Misawa | 1995-01-31 |
| 5320932 | Method of forming contact holes | Hiroshi Haraguchi, Yasuhisa Yoshida | 1994-06-14 |
| 5212117 | Method of manufacturing a semiconductor device contact structure using lift | — | 1993-05-18 |
| 5157003 | Method of etching isolation and alignment mark regions using a single resist mask | Hiroshi Haraguchi | 1992-10-20 |
| 5127989 | Method of forming a thin film pattern with a trapezoidal cross section | Hiroshi Haraguchi, Yasuto Otani, Kuniaki Kumamaru | 1992-07-07 |
| 4988609 | Method of forming micro patterns | Hidetsuna Hashimoto, Tiharu Kato | 1991-01-29 |
| 4985374 | Making a semiconductor device with ammonia treatment of photoresist | Hiroshi Haraguchi, Osamu Hirata, Hidetsuna Hashimoto | 1991-01-15 |
| 4792534 | Method of manufacturing a semiconductor device involving sidewall spacer formation | Tiharu Kato, Kiyoshi Takaoki | 1988-12-20 |