Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013676 | Press molding apparatus | Tadayuki Fujimoto, Kishio Sugawara, Shinichiro Hirota, Hiroyuki Sakai | 2006-03-21 |
| 6918267 | Press molding apparatus and press molding method | Shinichiro Hirota, Tadayuki Fujimoto | 2005-07-19 |
| 6167727 | Process for the production of polarizing glass | Takeshi Takahashi, Yukari Miyashita, Yoshihiko Matsuoka | 2001-01-02 |
| 5886820 | Polarizing glass and production process thereof | Takeshi Takahashi | 1999-03-23 |
| 5840096 | Process for the production of polarizing glass | Takeshi Takahashi, Yukari Miyashita, Yoshihiko Matsuoka | 1998-11-24 |
| 5239549 | Composite slab laser medium and a laser employing the composite slab laser medium | Mitsuhisa Moriyama | 1993-08-24 |
| 5084888 | Laser medium for use in a composite slab type laser | Takayasu Mochizuki | 1992-01-28 |
| 5084889 | Laser medium for use in a slab laser | — | 1992-01-28 |
| 4871230 | Single mode phosphate laser glass fiber | Toshiharu Yamashita, Sho Amano, Isao Masuda, Tetsuro Izumitani | 1989-10-03 |
| 4726652 | Faraday rotation single-mode optical fiber | Toshiharu Yamashita, Isao Masuda | 1988-02-23 |
| 4481299 | Optical glass | — | 1984-11-06 |
| 4439530 | Optical glass | — | 1984-03-27 |