Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654532 | Read-only laminated information recording medium and manufacturing method therefor | Makoto Hikita, Tadayuki Imai, Tetsuyoshi Ishii, Haruki Kozawaguchi, Saburo Imamura +1 more | 2003-11-25 |
| 6591041 | Optical fiber coupler, manufacturing method and apparatus thereof | Osamu Kobayashi, Takashi Uetake | 2003-07-08 |
| 6537723 | Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same | Seiji Toyoda, Saburo Imamura, Takashi Kurihara, Koji Enbutsu, Shoichi Hayashida +1 more | 2003-03-25 |