Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9584114 | Semiconductor switch | Yoshiyuki Hata, Taku Sato | 2017-02-28 |
| 9184741 | Switch apparatus and test apparatus | Yoshiyuki Hata, Makoto Nakanishi | 2015-11-10 |
| 8552735 | Switching apparatus and test apparatus | Yoshiyuki Hata, Makoto Nakanishi | 2013-10-08 |
| 8466566 | Semiconductor device, method for manufacturing of semiconductor device, and switching circuit | Makoto Nakanishi, Tomoo Yamanouchi, Junichi Okayasu, Taku Sato, Daiju Terasawa | 2013-06-18 |
| 5949095 | Enhancement type MESFET | Masaki Nagahara, Yasunori Tateno | 1999-09-07 |
| 5945695 | Semiconductor device with InGaP channel layer | — | 1999-08-31 |
| 5900641 | Field effect semiconductor device having a reduced leakage current | Naoki Hara, Shuichi Tanaka | 1999-05-04 |
| 5818078 | Semiconductor device having a regrowth crystal region | Kozo Makiyama, Satoru Asai, Yusuke Matsukura, Toshihide Kikkawa | 1998-10-06 |
| 5302840 | HEMT type semiconductor device having two semiconductor well layers | — | 1994-04-12 |
| 5170230 | Semiconductor device and production method thereof | — | 1992-12-08 |
| 5148245 | Semiconductor device having a selectively doped heterostructure | Yuji Awano | 1992-09-15 |
| 5128275 | Method for fabricating a semiconductor device including a semi-insulating semiconductor layer | Tadao Okabe, Toshihide Kikkawa | 1992-07-07 |
| 5104825 | Method of producing a semiconductor device | — | 1992-04-14 |
| 4958203 | High electron mobility transistor | — | 1990-09-18 |