Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099619 | Semiconductor light emitting device and method for manufacturing the same | Hiroshi Koizumi, Naoaki Sakurai, Yoshiaki Sugizaki, Tomomichi Naka, Masahiro Uekita +2 more | 2015-08-04 |
| 8981412 | Optical semiconductor device and method for manufacturing same | Hiroshi Koizumi, Susumu Obata, Tomomichi Naka, Kazuhito Higuchi, Kazuo Shimokawa +2 more | 2015-03-17 |
| 8754429 | Optical semiconductor device and method for manufacturing same | Hiroshi Koizumi, Susumu Obata, Tomomichi Naka, Kazuhito Higuchi, Kazuo Shimokawa +2 more | 2014-06-17 |
| 8618723 | Luminaire | Makoto Sakai, Takumi Suwa, Shinji Nakata, Michinobu Inoue, Izuru Komatsu +3 more | 2013-12-31 |
| 8399275 | Method for manufacturing semiconductor light emitting device | Yosuke Akimoto, Akihiro Kojima, Miyuki Izuka, Yoshiaki Sugizaki, Hiroshi Koizumi +1 more | 2013-03-19 |
| 8368089 | Semiconductor light emitting device | Akihiro Kojima, Hiroshi Koizumi, Yoshiaki Sugizaki, Tomomichi Naka | 2013-02-05 |
| 5609747 | Method of dissolving zinc oxide | Akio Sakurai, Tamotsu Mizuta, Hiroshi Nakano, Takao Ikenaga, Osamu Shin +1 more | 1997-03-11 |