Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209308 | Semiconductor light detection device and method of detecting light of specific wavelength | — | 2021-12-28 |
| 10593724 | Method of manufacturing a semiconductor device | — | 2020-03-17 |
| 10191006 | Humidity sensor | — | 2019-01-29 |
| 10043848 | Semiconductor device and a method of manufacturing a semiconductor device | — | 2018-08-07 |
| 8013379 | Semiconductor variable capacitor and method of manufacturing the same | — | 2011-09-06 |
| 7468297 | Method of manufacturing semiconductor device | Naoto Horiguchi, Ken Okabe, Kenichi Hikazutani | 2008-12-23 |
| 6774430 | Non-volatile semiconductor memory device having gate insulating film with thick end sections | Naoto Horiguchi | 2004-08-10 |
| 6480420 | Semiconductor memory device having source areas of memory cells supplied with a common voltage | — | 2002-11-12 |
| 6294794 | Non-linear optical device using quantum dots | Tetsuzo Yoshimura | 2001-09-25 |
| 6195292 | Semiconductor memory with floating gate type FET | Tatsuya Usuki | 2001-02-27 |
| 5889288 | Semiconductor quantum dot device | — | 1999-03-30 |
| 5031005 | Semiconductor device | Naoki Yokoyama, Kenichi Imamura | 1991-07-09 |
| 4907196 | Semiconductor memory device using resonant-tunneling transistor | Toshihiko Mori | 1990-03-06 |
| 4889831 | Method of forming a high temperature stable ohmic contact to a III-V substrate | Kazuaki Ishii, Toshio Oshima, Toshio Fujii, Naoki Yokoyama, Akihiro Shibatomi | 1989-12-26 |
| 4868612 | Semiconductor device utilizing multiquantum wells | Toshio Oshima | 1989-09-19 |
| 4791471 | Semiconductor integrated circuit device | Tsukasa Onodera, Haruo Kawata | 1988-12-13 |
| 4777517 | Compound semiconductor integrated circuit device | Tsukasa Onodera, Haruo Kawata | 1988-10-11 |