Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10756507 | Process of forming epitaxial substrate and semiconductor optical device | Toshimitsu Kaneko, Takuya Fujii, Masami Ishiura, Taro Hasegawa | 2020-08-25 |
| 9985413 | Optical semiconductor device and method of fabricating the same | Taro Hasegawa | 2018-05-29 |
| 9419411 | Semiconductor laser diode | — | 2016-08-16 |
| 8183527 | Gas detecting method and gas detecting apparatus | Toshihiro Wakita, Kiyomi Sakakibara | 2012-05-22 |
| 5531225 | Measuring apparatus for a component contained in exhalation | Katsumi Nawata, Fumihiro Ushijima, Hazime Inagaki | 1996-07-02 |
| 5212567 | Magnifying display apparatus | Isao Kawai, Tetsuo Hayakawa, Nobuo Tokuda, Sanyo Nagayama | 1993-05-18 |