Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5784509 | Waveguide-optical fiber connection structure and waveguide-optical fiber connection method | Yasuhiko Omori, Shinya Sawae, Yasutoshi Furukawa, Hironao Hakogi | 1998-07-21 |
| 5680497 | Optical waveguide device | Minoru Seino, Tadao Nakazawa, Yoshinobu Kubota, Masaharu Doi, Kunio Sugeta +1 more | 1997-10-21 |
| 5666449 | Optical waveguide device | Shinya Sawae, Sadayuki Miyata | 1997-09-09 |
| 5612086 | Method of manufacturing an optical waveguide device | Hironao Hakogi, Junko Watanabe | 1997-03-18 |
| 5598490 | Dielectric optical waveguide device | Hironao Hakogi | 1997-01-28 |
| 5560421 | Twin drum type continuous casting apparatus and method | Kisaburo Tanaka, Keiichi Yamamoto, Hideaki Takatani, Takahiro Matsumoto, Ritsuo Hashimoto +1 more | 1996-10-01 |
| 5557695 | Waveguide-optical fiber connection structure and waveguide-optical fiber connection method | Yasuhiko Omori, Shinya Sawae, Yasutoshi Furukawa, Hironao Hakogi | 1996-09-17 |
| 5473711 | Dielectric optical waveguide device | Hironao Hakogi | 1995-12-05 |
| 5443503 | Artificial heart pump | — | 1995-08-22 |
| 5404412 | Optical waveguide device | Minoru Seino, Tadao Nakazawa, Yoshinobu Kubota, Masaharu Doi, Kunio Sugeta +1 more | 1995-04-04 |