Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053756 | Nitride semiconductor light emitting element | Norikazu Ito, Kazuaki Tsutsumi | 2011-11-08 |
| 8049235 | Nitride semiconductor light emitting element with bragg reflection layers and anti-reflection layers to improve light extraction efficiency | — | 2011-11-01 |
| 8004006 | Nitride semiconductor light emitting element | Atsushi Yamaguchi | 2011-08-23 |
| 7960727 | Zinc oxide based compound semiconductor device | Yuji Hiroyuki | 2011-06-14 |
| 7948003 | Transparent electrode | — | 2011-05-24 |
| 7906791 | Semiconductor light emitting element | — | 2011-03-15 |
| 7872269 | Gallium nitride semiconductor light emitting element | — | 2011-01-18 |
| 7781791 | Semiconductor light emitting element | Mitsuhiko Sakai, Tadahiro Okazaki | 2010-08-24 |
| 7745839 | Double wavelength semiconductor light emitting device and method of manufacturing the same | Shinichi Tamai, Atsushi Yamaguchi | 2010-06-29 |
| 7741637 | ZnO-based semiconductor device | Hiroyuki Yuji, Kentaro Tamura, Shunsuke Akasaka, Masashi Kawasaki, Atsushi Tsukazaki +1 more | 2010-06-22 |
| 7718450 | Method for manufacturing nitride semiconductor device | — | 2010-05-18 |
| 7605012 | ZnO based compound semiconductor light emitting device and method for manufacturing the same | Shigeru Niki, Paul Fons, Kakuya Iwata, Tetsuhiro Tanabe, Hidemi Takasu | 2009-10-20 |
| 7582905 | Semiconductor light emitting device | Kentaro Tamura | 2009-09-01 |
| 7417263 | Transparent electrode | — | 2008-08-26 |
| 7292382 | Light control unit | Yoshikazu Fujimori, Takashi Nakamura | 2007-11-06 |
| 7196348 | GaN system semiconductor light emitting device excellent in light emission efficiency and light extracting efficiency | — | 2007-03-27 |
| 7132691 | Semiconductor light-emitting device and method for manufacturing the same | Tetsuhiro Tanabe | 2006-11-07 |
| 7002179 | ZnO system semiconductor device | — | 2006-02-21 |
| 6987029 | ZnO based compound semiconductor light emitting device and method for manufacturing the same | Shigeru Niki, Paul Fons, Kakuya Iwata, Tetsuhiro Tanabe, Hidemi Takasu | 2006-01-17 |
| 6735230 | Semiconductor luminous elements and semiconductor laser | Tetsuhiro Tanabe | 2004-05-11 |
| 6711198 | Light source device for laser beam printer | Jun Ichihara, Hisayoshi Kitajima, Tetsuhiro Tanabe, Haruo Tanaka | 2004-03-23 |
| 6674098 | ZnO compound semiconductor light emitting element | Shigeru Niki, Paul Fons, Kakuya Iwata, Tetsuhiro Tanabe, Hidemi Takasu | 2004-01-06 |
| 6649434 | Method of manufacturing semiconductor device having ZnO based oxide semiconductor layer | Kakuya Iwata, Paul Fons, Koji Matsubara, Akimasa Yamada, Shigeru Niki | 2003-11-18 |
| 6638846 | Method of growing p-type ZnO based oxide semiconductor layer and method of manufacturing semiconductor light emitting device | Kakuya Iwata, Paul Fons, Koji Matsubara, Akimasa Yamada, Shigeru Niki | 2003-10-28 |
| 6569548 | Transparent conductive film of zinc oxide | Tetsuya Yamamoto | 2003-05-27 |