Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6093334 | Glass wave guide element and method of manufacturing the same | Ryoji Suzuki, Hisato Uetsuka, Dai Kobayashi, Hideaki Arai | 2000-07-25 |
| 6031957 | Glass wave guide element and method of manufacturing the same | Ryoji Suzuki, Hisato Uetsuka, Dai Kobayashi, Hideaki Arai | 2000-02-29 |
| 5995691 | Waveguide type grating device | Hideaki Arai, Ryoji Suzuki, Hisato Uetsuka | 1999-11-30 |