Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653846 | Optical fiber hermetic fixing structure of feedthrough for optical submarine repeater | Yoshihiko Yamazaki, Yoshihiro Ejiri | 1987-03-31 |
| 4505540 | Spliced portion housing structure for optical fiber in optical submerged repeater | Makoto Nunokawa, Yoshihiro Ejiri, Hitoshi Yamamoto, Yoshihiko Yamazaki, Koichi Tatekura | 1985-03-19 |
| 4490009 | Optical fiber submarine cable | Taiichiro Nakai, Masanori Sato, Yasuhiko Niiro, Yoshihiro Ejiri, Makoto Nunokawa | 1984-12-25 |
| 4469401 | Optical fiber unit for optical submarine cables | Yoshihiko Yamazaki, Hitoshi Yamamoto, Yoshihiro Ejiri, Makoto Nunokawa | 1984-09-04 |
| 4389086 | Feedthrough terminal comprising a guide member defined for at least one optical fiber cable between a tube and a rod | Yoshihiro Ejiri, Yoshihiko Yamazaki, Tadayoshi Matsuzaki, Hiroyuki Nakashima, Osamu Harada | 1983-06-21 |
| 4345816 | Optical fiber introducing equipment for optical submerged repeater | Taiichiro Nakai, Masanori Sato, Hitoshi Yamamoto, Yoshihiko Yamazaki, Yoshihiro Ejiri | 1982-08-24 |
| 4296996 | Feedthrough for optical fiber | Yasuhiko Niiro, Akira Okada | 1981-10-27 |
| 4295707 | Feed through for optical submerged repeater | Taiichiro Nakai, Yoshihiro Ejiri | 1981-10-20 |
| 4288144 | Optical fiber submarine cable | Taiichiro Nakai, Makoto Nunokawa, Yoshihiro Ejiri | 1981-09-08 |