Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050305 | Semiconductor device | Katsumi Kishino, Ichiro Nomura, Koshi Tamamura, Kunihiko Tasai, Tsunenori Asatsuma +2 more | 2011-11-01 |
| 7899104 | EL semiconductor device | Katsumi Kishino, Ichiro Nomura, Tsunenori Asatsuma, Kunihiko Tasai, Koshi Tamamura +3 more | 2011-03-01 |
| 7668217 | Semiconductor laser diode device | Katsumi Kishino, Ichiro Nomura, Tsunenori Asatsuma, Hitoshi Nakamura, Tsukuru Ohtoshi +2 more | 2010-02-23 |
| 6990133 | Laser diode and manufacturing method thereof | Kouji Nakahara, Etsuko Nomoto | 2006-01-24 |
| 6576503 | Laser diodes and manufacturing methods | Shigeo Goto | 2003-06-10 |
| 6455876 | Semiconductor radiative device | Shigeo Goto | 2002-09-24 |
| 5508554 | Semicoductor device having defect type compound layer between single crystal substrate and single crystal growth layer | Shinichiro Takatani, Yoko Uchida | 1996-04-16 |
| 5399230 | Method and apparatus for etching compound semiconductor | Shinichiro Takatani, Chushirou Kusano, Masatoshi Nakazawa | 1995-03-21 |
| 5070272 | Photoconductive device and method of operating same | Kazutaka Tsuji, Kenji Sameshima, Tadaaki Hirai, Junichi Yamazaki, Misao Kubota +1 more | 1991-12-03 |