Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7538945 | Optical path changing module | Kenichi Nakama, Yasunori Arima | 2009-05-26 |
| 7518794 | Transmission type diffraction grating | Kenichi Nakama | 2009-04-14 |
| 7420735 | Transmission type diffraction grating | Kenichi Nakama | 2008-09-02 |
| 7405824 | Optical coupling system of light measuring device and sample | Kenichi Nakama | 2008-07-29 |
| 7340131 | Collimator and optical filter device using the same | Kenichi Nakama | 2008-03-04 |
| 7319559 | Spectral optical element | Kenichi Nakama | 2008-01-15 |
| 6940650 | Diffraction optical element and transfer mold therefor | Katsuhide Shimmo, Kenichi Nakama, Yukinari Sekiguchi | 2005-09-06 |
| 6934443 | Optical fiber coupling system | Fumitoshi Kobayashi, Kenichi Nakama | 2005-08-23 |
| 6850666 | Optical module | Kenichi Nakama, Fumitoshi Kobayashi | 2005-02-01 |
| 6766076 | Optical module and method for assembling the same | Kenichi Nakama, Yukinari Sekiguchi, Fumitoshi Kobayashi | 2004-07-20 |