Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11488913 | Semiconductor device with guard ring | Akio Hara, Toyoji Sawada, Masaki Okuno | 2022-11-01 |
| 9704740 | Semiconductor device having insulating layers containing oxygen and a barrier layer containing manganese | Atsuhiro Tsukune, Hiroshi Kudo | 2017-07-11 |
| 9236302 | Semiconductor device and manufacturing method of semiconductor device | Hikaru Ohira, Tamotsu Owada | 2016-01-12 |
| 8916423 | Semiconductor device and method of manufacturing the same | Tamotsu Owada, Hikaru Ohira | 2014-12-23 |
| 8916468 | Semiconductor device fabrication method | Atsuhiro Tsukune | 2014-12-23 |
| 8836126 | Semiconductor device having insulating layers containing oxygen and a barrier layer containing manganese | Atsuhiro Tsukune, Hiroshi Kudo | 2014-09-16 |
| 7449379 | Semiconductor device and method for fabricating the same | Yasuyoshi Mishima | 2008-11-11 |
| 5945690 | Compound semiconductor device | Junji Saito, Toshihide Kikkawa | 1999-08-31 |
| 5844303 | Semiconductor device having improved electronic isolation | Toshihide Kikkawa, Tatsuya Ohori | 1998-12-01 |
| 5762706 | Method of forming compound semiconductor device | Junji Saito, Toshihide Kikkawa | 1998-06-09 |
| 5521404 | Group III-V interdiffusion prevented hetero-junction semiconductor device | Toshihide Kikkawa | 1996-05-28 |
| 5460654 | Apparatus for generating raw material gas used in apparatus for growing thin film | Toshihide Kikkawa, Hitoshi Tanaka | 1995-10-24 |