Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360405 | Optical semiconductor device | Yuki Kamata, Koichi Oyama, Keizo Takemasa, Kenichi Nishi, Yutaka Ohnishi | 2025-07-15 |
| 11955772 | Semiconductor light emitting element | Yuki Kamata, Koichi Oyama, Kiichi Hamamoto, Haisong Jiang | 2024-04-09 |
| 11764546 | Semiconductor laser device | Yuki Kamata, Koichi Oyama, Keizo Takemasa, Kenichi Nishi, Yutaka Onishi | 2023-09-19 |
| 10629716 | Semiconductor device including switching device having four-terminal structure | Kazuhiro Oyama, Youngshin Eum, Shinichi Hoshi | 2020-04-21 |
| 10121663 | Semiconductor device and method for producing same | Yoshinori Tsuchiya, Shinichi Hoshi, Masaki Matsui, Kenji Itoh, Tetsuo Narita +1 more | 2018-11-06 |
| 7809037 | Laser array circuit | Yoshiaki Hoashi | 2010-10-05 |
| 6717228 | Infrared image sensor with temperature compensation element | Hiroshi Ando, Katsuyoshi Nishii | 2004-04-06 |
| 6550686 | Vehicle air conditioning system with non-contact temperature sensor | Takayoshi Kawai, Toshifumi Kamiya, Akira Ohga, Hiroshi Ando, Yuichi Kajino +1 more | 2003-04-22 |
| 6182273 | Groupware development assisting system | — | 2001-01-30 |
| 6115640 | Workflow system for rearrangement of a workflow according to the progress of a work and its workflow management method | — | 2000-09-05 |
| 5918226 | Workflow system for operating and managing jobs with predicting future progress of workflow job | Kenji Yoshifu | 1999-06-29 |
| 5631107 | Method for producing optical member | Teiyuu Kimura, Satoshi Koike, Kazumasa Kurokawa, Tetsuya Kato, Masayuki Goto | 1997-05-20 |