Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10702891 | Device equipped with optical unit | Yoichi Kawamura, Nobuyoshi Ikeda, Norihide Takeyama | 2020-07-07 |
| 9772225 | Spectroscopic device | Norihide Takeyama, Daisuke Fukuoka | 2017-09-26 |
| 6996309 | Optical signal processor | Yuji Ikeda, Michiko Takushima, Tomomi Sano | 2006-02-07 |
| 5177751 | Laser apparatus | Kuniaki Kobayashi, Seiji Sugiyama, Tatsuo Tsunoda | 1993-01-05 |
| 4492252 | Reversible valve for reversible refrigeration cycle | — | 1985-01-08 |
| 4469134 | Four-way valve for reversible refrigeration cycle | Hideaki Ohira | 1984-09-04 |