Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915717 | Method of fabricating optical fiber preforms | Minoru Watanabe, Naoki Yoshioka, Hiroo Kanamori | 1990-04-10 |
| 4639080 | Optical fibers coated with modified 1,4-polybutadienes | Takao Kimura, Mitsuo Yoshihara, Fumihiko Kato | 1987-01-27 |
| 4586943 | Method for the production of glass preform for optical fibers | Michihisa Kyoto, Naoki Yoshioka, Gotaro Tanaka, Minoru Watanabe, Hiroshi Shimba | 1986-05-06 |
| 4552576 | Method of fabricating optical glass base material and apparatus for fabricating the same | Ryoichi Hara, Toshiaki Kuroha | 1985-11-12 |
| 4528010 | Process for producing optical glass product | Takao Edahiro, Shiro Kurosaki | 1985-07-09 |
| 4414012 | Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass | Shoichi Suto, Hiroyuki Suda, Fumiaki Hanawa, Motohiro Nakahara | 1983-11-08 |
| 4396645 | Coated optical glass fibers and method for production thereof | Takao Kimura, Mitsuo Yoshihara, Fumihiko Kato | 1983-08-02 |
| 4232071 | Method of producing magnetic thin film | Akira TERADA, Seizi Hattori, Yoshikazu Ishii, Akira Nohara, Wakatake Matsuda +1 more | 1980-11-04 |