Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739762 | Optical device package | Ryoji Kaku, Keiichi Mori, Takao Mase, Ayumi Takahashi, Osamu Imaki +1 more | 2004-05-25 |
| 6685870 | Method and apparatus for manufacturing photonic crystal element | Ryoji Kaku | 2004-02-03 |
| 6647184 | Optical waveguide device and method of manufacturing the same | Takuya Miyashita | 2003-11-11 |
| 6324314 | Optical hybrid integrated device and method of making the same | Takuya Miyashita | 2001-11-27 |