Issued Patents 2004
Showing 1–2 of 2 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 |