Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7834461 | Semiconductor apparatus | Shuji Asai, Tadachika Hidaka, Naoto Kurosawa, Takaki Niwa | 2010-11-16 |
| 6627473 | Compound semiconductor device with delta doped layer under etching stopper layer for decreasing resistance between active layer and ohmic electrode and process of fabrication thereof | Hitoshi Negishi | 2003-09-30 |
| 6514872 | Method of manufacturing a semiconductor device | — | 2003-02-04 |
| 6159861 | Method of manufacturing semiconductor device | Shuji Asai | 2000-12-12 |
| 6078067 | Semiconductor device having mutually different two gate threshold voltages | — | 2000-06-20 |
| 5922623 | Hydrogen fluoride vapor phase selective etching method for fabricating semiconductor devices | Hiroaki Tsutsui, Takao Matsumura, Masayuki Yokoi, Junichi Nakamura, Hiroyuki Sato +1 more | 1999-07-13 |
| 5432126 | Fabrication process of compound semiconductor device comprising L-shaped gate electrode | — | 1995-07-11 |