Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287607 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Sakae TAKEUCHI, Yuka ZENITANI, Koji Sasaki, Yoshifumi Eri, Mai MOCHIDA | 2025-04-29 |
| 10407585 | Aqueous ink for ink jet recording, aqueous ink set for ink jet recording, and ink jet recording method | Yoshiro Yamashita, Takahiro Ishizuka, Mamoru Fujita, Kazuhiko Hirokawa | 2019-09-10 |
| 9379521 | Group III nitride semiconductor laser device, method for producing group III nitride semiconductor laser device, method for evaluating end facet for optical cavity of group III nitride semiconductor laser device, and method for evaluating scribe groove | — | 2016-06-28 |
| 9231370 | Group III nitride semiconductor light emitting device | Takamichi Sumitomo, Takashi Kyono, Masaki Ueno, Yusuke Yoshizumi, Yohei Enya +2 more | 2016-01-05 |
| 9036671 | Method for fabricating group-III nitride semiconductor laser device | — | 2015-05-19 |
| 8953656 | III-nitride semiconductor laser device and method for fabricating III-nitride semiconductor laser device | Takashi Kyono, Takamichi Sumitomo, Yusuke Yoshizumi, Yohei Enya, Masaki Ueno +1 more | 2015-02-10 |
| 8929416 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2015-01-06 |
| 8772064 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2014-07-08 |
| 8741674 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Masaki Ueno +5 more | 2014-06-03 |
| 8642366 | Method for fabricating group-III nitride semiconductor laser device | — | 2014-02-04 |
| 8594145 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2013-11-26 |
| 8507305 | Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and epitaxial substrate | Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Takamichi Sumitomo, Nobuhiro Saga +6 more | 2013-08-13 |
| 8420419 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2013-04-16 |
| 8401048 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2013-03-19 |
| 8389312 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Takatoshi Ikegami, Masaki Ueno, Koji Katayama | 2013-03-05 |
| 8361885 | Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove | Yusuke Yoshizumi, Takatoshi Ikegami, Masaki Ueno, Koji Katayama | 2013-01-29 |
| 8265113 | Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Takatoshi Ikegami, Masaki Ueno, Koji Katayama | 2012-09-11 |
| 8213475 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2012-07-03 |
| 8175129 | Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove | Yusuke Yoshizumi, Takatoshi Ikegami, Masaki Ueno, Koji Katayama | 2012-05-08 |
| 8139619 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2012-03-20 |
| 8105857 | Method of fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2012-01-31 |
| 8076167 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2011-12-13 |
| 8071405 | Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device | Yusuke Yoshizumi, Koji Katayama, Masaki Ueno, Takatoshi Ikegami | 2011-12-06 |