Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827499 | Method of manufacturing two-dimensional optical connector component | Akira Matsumoto, Masashi Fukuyama | 2004-12-07 |
| 6826347 | Two-dimensional optical element array and two-dimensional waveguide apparatus | Akira Matsumoto, Masashi Fukuyama | 2004-11-30 |
| 6689704 | Glass material and glass ceramic product | Takashi Ota, Kazutoshi Tohyama, Masashi Fukuyama | 2004-02-10 |