Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7164530 | Polarizing filter and optical device using the same | Isao Muraguchi, Terufusa Kunisada | 2007-01-16 |
| 6987906 | Optical connection device | Kenichi Nakama, Osamu Mikami, Yoshikazu Murata, Kentarou Miyazato | 2006-01-17 |
| 6967776 | Polarizing filter and optical device using the same | Isao Muraguchi, Terufusa Kunisada | 2005-11-22 |
| 6940650 | Diffraction optical element and transfer mold therefor | Katsuhide Shimmo, Kenichi Nakama, Naoko Hikichi | 2005-09-06 |
| 6766076 | Optical module and method for assembling the same | Kenichi Nakama, Naoko Hikichi, Fumitoshi Kobayashi | 2004-07-20 |