Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854897 | Ferrule part and optical communications module | Masaki Furumai, Hitoshi Terauchi, Manabu Yoshimura, Kazuhito Saito, Manabu Shiozaki +1 more | 2005-02-15 |
| 5214524 | Optical communication system | Masayuki Shigematsu, Akira Nishimura | 1993-05-25 |
| 5184244 | Optical communication system and communication method | Akira Nishimura, Masayuki Shigematsu | 1993-02-02 |
| 5098459 | Method of manufacturing optical branching and coupling device | Masumi Fukuma | 1992-03-24 |
| 4983012 | Optical fiber connector | Kazuhito Saito, Toshiaki Kakii, Hidetoshi Ishida | 1991-01-08 |
| 4952263 | Method of making an optical connector and splicer | Toshiaki Kakii, Yasuo Asano | 1990-08-28 |
| 4950048 | Optical connector ferrule | Toshiaki Kakii, Yasuo Asano, Koji Kashihara, Kazuhito Saito, Takeo Komiya | 1990-08-21 |
| 4840482 | Method of coated fiber identification in optical transmission network | Masayuki Shigematsu | 1989-06-20 |
| 4832720 | Method for producing multi-core optical fiber | Minoru Watanabe, Hiroshi Yokota, Hiroshi Suganuma | 1989-05-23 |
| 4830456 | Optical connector and process for producing the same | Toshiaki Kakii, Kazuhito Saito | 1989-05-16 |
| 4820014 | Optical cable | Akira Nishimura | 1989-04-11 |
| 4818059 | Optical connector and splicer | Toshiaki Kakii, Yasuo Asano | 1989-04-04 |
| 4804247 | Quartz glass optical fiber | Michihisa Kyoto, Minoru Watanabe, Motohiro Nakahara | 1989-02-14 |
| 4737009 | Independent optical ferrule and optical fiber connector which uses the ferrule and replaceable optical plug using the ferrule | Toshiaki Kakii, Naoshi Hakamata, Yasuo Asano | 1988-04-12 |
| 4729624 | Ferrule for optical connector | Toshiaki Kakii, Koichiro Matsuno | 1988-03-08 |
| 4726647 | Optical connector | Toshiaki Kakii, Naoshi Hakamata | 1988-02-23 |
| 4721586 | Method of molding plugs for optical fiber cables | Toshiaki Kakii, Naoshi Hakamata | 1988-01-26 |
| 4715695 | Fiber for optical transmission | Masayuki Nishimura, Hiroshi Yokoto | 1987-12-29 |
| 4708433 | Optical connector and method of manufacturing a pair of ferrules therefor | Toshiaki Kakii, Koichiro Matsuno, Fumihiro Ashiya, Koushi Ishihara | 1987-11-24 |
| 4703998 | Water-blocked optical fiber cable | Fumikiyo Uchioke, Ichiro Ogasawara | 1987-11-03 |
| 4676635 | Optical fiber characteristic measuring method and apparatus | Katsuji Sakamoto, Akio Ohta, Yuichi Toda, Takashi Ide | 1987-06-30 |
| 4653852 | Multi core optical fiber | Ichiro Ogasawara, Hiroshi Yokota, Shim Sumida | 1987-03-31 |