Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973571 | Multichannel drive circuit | Kazuhiko Maki, Toshiyuki Wada, Takamasa Yanai | 2011-07-05 |
| 6583872 | Double beam spectrophotometer | — | 2003-06-24 |
| 5311292 | Transmissivity measuring apparatus for a color separation prism | Osamu Ando | 1994-05-10 |
| 5268732 | Apparatus for measuring spectral transmissivity of optical fiber | — | 1993-12-07 |
| 5268737 | Method and apparatus for calibrating a spectrophotometer | Toshiaki Fukuma, Hidehisa Nishigaki | 1993-12-07 |
| 5170280 | Monochromator | — | 1992-12-08 |
| 4930891 | Method and apparatus for scanning wavelength in spectrophotometers | — | 1990-06-05 |