Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7573645 | Method for manufacturing optical element of refractive index distribution type | Tatsuya Suetsugu, Norimasa Kominami, Takeshi Ohtani, Naoko Kaga, Hiroaki Yokoi +3 more | 2009-08-11 |
| 7522803 | Process for producing optical device | Tatsuya Suetsugu, Norimasa Kominami, Takeshi Ohtani, Naoko Kaga, Hiroaki Yokoi +3 more | 2009-04-21 |
| 7341967 | Glass for press molding | Takaharu Hosokawa, Naoki Kikuchi, Tatsuya Suetsugu, Kazuhisa Kimura, Tadashi Hasegawa +2 more | 2008-03-11 |
| 7095935 | Method for forming optical waveguide | Tatsuya Suetsugu, Kohei Kadono, Norimasa Kominami, Takeshi Ohtani, Hiroaki Yokoi +3 more | 2006-08-22 |
| 5324691 | Glass composition | Toshihiko Einishi | 1994-06-28 |
| 5242869 | Colored glass | Toshihiko Einishi | 1993-09-07 |
| 5145805 | Glass compositions | Toshihiko Einishi | 1992-09-08 |