Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004349 | Lighting apparatus and color measuring apparatus using the same | Tsuyoshi Sato, Masahito Inaba | 1991-04-02 |
| 4821338 | Optical signal receiving apparatus with compensation for peripheral light | Kazuhiko Naruse, Akira Kataoka, Masayasu Hirano | 1989-04-11 |
| 4737815 | Photometer | Kazuhiko Naruse, Yoshihiko Azuma, Takehiro Katoh | 1988-04-12 |