Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5001089 | Aluminum nitride sintered body | Kazuo Shinozaki, Kazuo Anzai, Akihiko Tsuge, Hiroshi Imagawa, Takeshi Takano +3 more | 1991-03-19 |
| 4883780 | Aluminum nitride sintered body and preparation thereof | Kazuo Shinozaki, Kazuo Anzai, Akihiko Tsuge, Hiroshi Imagawa, Takeshi Takano +3 more | 1989-11-28 |
| 4770953 | Aluminum nitride sintered body having conductive metallized layer | Akihiro Horiguchi, Fumio Ueno, Hideki Sato, Nobuyuki Mizunoya, Mitsuyoshi Endo +2 more | 1988-09-13 |
| 4768859 | Cladding glass for optical fiber | Hiroshi Imagawa, Hironori Maki, Kenji Yagi, Osamu Kokubo | 1988-09-06 |
| 4746637 | Aluminum nitride sintered body and process for producing the same | Kazuo Shinozaki, Kazuo Anzai, Akihiko Tsuge | 1988-05-24 |
| 4698320 | Aluminum nitride sintered body | Kazuo Shinozaki, Kazuo Anzai, Takeshi Takano | 1987-10-06 |
| 4418985 | Multi-component glass optical fiber for optical communication | Takeshi Takano, Hironori Maki, Naohiko Ogino | 1983-12-06 |
| 4264131 | Optical fiber of high durability prepared from multicomponent glass | Kunihide Sawamura, Takeshi Takano, Hironori Maki | 1981-04-28 |