Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10750579 | Induction heating device and power generation system | Toru Okazaki | 2020-08-18 |
| 9473049 | Induction heating apparatus and power generation system comprising the same | Toru Okazaki, Takeshi Mifune | 2016-10-18 |
| 8981338 | Semiconductor photocathode and method for manufacturing the same | Shunro Fuke, Yoshihiro Ishigami, Tokuaki Nihashi | 2015-03-17 |
| 8704207 | Semiconductor device having nitride semiconductor layer | Masataka Yanagihara | 2014-04-22 |
| 8569796 | Semiconductor wafer and semiconductor device having multilayered nitride semiconductor layer | — | 2013-10-29 |
| 8217408 | Semiconductor light emitting device | — | 2012-07-10 |
| 8120049 | Light-emitting semiconductor device | Shiro Takeda | 2012-02-21 |
| 7893450 | Semiconductor light-emitting element and semiconductor light-emitting element manufacturing method | Mikio Tazima, Yoshiki Tada | 2011-02-22 |
| 7687323 | Surface-roughening method | Mikio Tazima, Takashi Kato | 2010-03-30 |
| 7659553 | Light-emitting semiconductor device protected against reflector metal migration | Takashi Kato, Junji Sato | 2010-02-09 |
| 7405431 | Light-emitting semiconductor device having an overvoltage protector | Hidekazu Aoyagi | 2008-07-29 |
| 7199401 | Light-emitting semiconductor device | Mikio Tazima, Masahiro Sato, Hidekazu Aoyagi | 2007-04-03 |