Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9627383 | Semiconductor device | Naoto Kaguchi, Eisuke Suekawa | 2017-04-18 |
| 9472543 | Wide band gap semiconductor device | Eisuke Suekawa, Naoto Kaguchi | 2016-10-18 |
| 9007081 | Jig for use in semiconductor test and method of measuring breakdown voltage by using the jig | — | 2015-04-14 |
| 8860451 | Jig for semiconductor test | Naoto Kaguchi | 2014-10-14 |
| 6939802 | Method of manufacturing a semiconductor device | — | 2005-09-06 |
| 5973384 | Semiconductor device including a bipolar transistor | — | 1999-10-26 |
| 5956592 | Method of manufacturing a semiconductor device having polysilicon resistors with a specific resistance ratio resistant to manufacturing processes | — | 1999-09-21 |
| 5763935 | Bipolar semiconductor device and fabricating method thereof | — | 1998-06-09 |
| 5693543 | Method of manufacturing a semiconductor IIL device with dielectric and diffusion isolation | Yasuki Yoshihisa | 1997-12-02 |
| 5500553 | Semiconductor device having polysilicon resistors with a specific resistance ratio resistant to manufacturing processes | — | 1996-03-19 |
| 5481130 | Semiconductor IIL device with dielectric and diffusion isolation | Yasuki Yoshihisa | 1996-01-02 |
| 5470764 | Method of manufacturing a semiconductor device with hydrogen ion intercepting layer | Tetsuo Higuchi | 1995-11-28 |
| 5327224 | Semiconductor device with hydrogen ion intercepting layer | Tetsuo Higuchi | 1994-07-05 |
| 4884120 | Semiconductor device and method for making the same | Hiroshi Mochizuki, Reiji Tamaki, Junichi Arima, Eisuke Tanaka, Kenji Saito | 1989-11-28 |