Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760457 | Bipolar transistor circuit element having base ballasting resistor | Shigeru Mitsui, Teruyuki Shimura, Saburo Takamiya | 1998-06-02 |
| 5711813 | Epitaxial crystal growth apparatus | Kaoru Kadoiwa | 1998-01-27 |
| 5679603 | Method of making semiconductor device including high resistivity layer | Tatsuya Kimura, Takao Ishida | 1997-10-21 |
| 5428224 | Field effect transistor | Kazuo Hayashi | 1995-06-27 |
| 5365078 | Semiconductor device and method of making it | Kazuo Hayashi | 1994-11-15 |
| 5362677 | Method for producing a field effect transistor with a gate recess structure | Shinichi Sakamoto | 1994-11-08 |
| 5288654 | Method of making a mushroom-shaped gate electrode of semiconductor device | Nobuyuki Kasai, Shinichi Sakamoto, Tetsuya Yagi | 1994-02-22 |
| 5285087 | Heterojunction field effect transistor | Koichi Narita, Kazuo Hayashi | 1994-02-08 |
| 5250822 | Field effect transistor | Shinichi Sakamoto, Nobuyuki Kasai | 1993-10-05 |
| 5220186 | Semiconductor device with a mushroom-shaped gate electrode | Nobuyuki Kasai, Shinichi Sakamoto, Tetsuya Yagi | 1993-06-15 |
| 5185534 | Monolithic parallel connected transistor structure | Shinichi Sakamoto, Nobuyuki Kasai | 1993-02-09 |
| 5139968 | Method of producing a t-shaped gate electrode | Iwao Hayase | 1992-08-18 |
| 5045497 | Method of making a schottky electrode | Kazuo Hayashi | 1991-09-03 |
| 5032541 | Method of producing a semiconductor device including a Schottky gate | Shinichi Sakamoto, Kazuo Hayashi | 1991-07-16 |
| 4984036 | Field effect transistor with multiple grooves | Shinichi Sakamoto | 1991-01-08 |
| 4967242 | Heterojunction field effect transistor | Kazuo Hayashi | 1990-10-30 |