Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650821 | Optical device and a making method thereof | Yasushi Koyano, Eisuke Sasaoka, Shigeru Tanaka, Masashi Onishi, Kenji Tamano +1 more | 2003-11-18 |
| 6628872 | Dispersion compensator and optical transmission system | Mitsuomi Hada, Kenji Tamano, Keiichiro Fukuda, Masashi Onishi | 2003-09-30 |
| 6614976 | Optical fiber having a large positive dispersion | Takatoshi Kato, Kazuhiro Okamoto, Mitsuomi Hada, Shinjiro Hagihara, Morio Watanabe | 2003-09-02 |
| 6597846 | Optical fiber | Takashi Fujii, Toshifumi Hosoya, Kenji Tamano, Keiichiro Fukuda, Eisuke Sasaoka +1 more | 2003-07-22 |
| 6546760 | Optical fiber drawing furnace with a zig zag heating element | Ichiro Tsuchiya, Hiroaki Ohta, Kazuya Kuwahara, Katsuyuki Tsuneishi, Hideo Miyaki +1 more | 2003-04-15 |
| 6546180 | Coiled optical assembly and fabricating method for the same | Yasushi Koyano, Eisuke Sasaoka, Shigeru Tanaka, Masashi Onishi | 2003-04-08 |
| 6471892 | Method of producing tape type optical fiber core wire | Ken Takahashi, Shigenori Takaki, Ryoei Oka, Tomoyuki Hattori, Toshihisa Sato +1 more | 2002-10-29 |
| 6345916 | Fiber optic connector and its manufacturing method | Dai Yui, Kei Sunaga, Teruo Ikechi, Hidetoshi Ishida, Manabu Shiozaki +1 more | 2002-02-12 |
| 6337942 | Optical fiber | Takatoshi Kato, Kazuhiro Okamoto, Mitsuomi Hada, Shinjiro Hagihara, Morio Watanabe | 2002-01-08 |
| 6333071 | Method and apparatus for producing optical fiber ribbons | Ichiro Tsuchiya, Tomoyuki Hattori | 2001-12-25 |
| 6309567 | Collectively coating die device for manufacturing separable optical fiber ribbon and manufacturing method thereof | Kaoru Okuno, Ichiro Tsuchiya, Tomoyuki Hattori, Ken Takahashi | 2001-10-30 |
| 6028976 | Split type ribbon optical fiber core cable | Toshihisa Sato, Tomoyuki Hattori, Kaoru Okuno, Ken Takahashi, Ryoei Oka | 2000-02-22 |
| 6004675 | Optical glass fiber | Nobuhiro Akasaka, Tatsuya Kakuta, Yasuo Matsuda, Shigeru Tomita | 1999-12-21 |
| 5976611 | Optical fiber coating method and apparatus therefor | Kaoru Okuno, Akira Inoue, Kazumasa Oishi, Ichiro Tsuchiya | 1999-11-02 |
| 5945173 | Method of making optical fiber ribbon | Tomoyuki Hattori, Toshihisa Sato, Kaoru Okuno, Ken Takahashi, Ryoei Oka | 1999-08-31 |
| 5904883 | Method for producing optical fiber ribbon | Tomoyuki Hattori, Toshihisa Sato, Kaoru Okuno, Ken Takahashi, Ryoei Oka +1 more | 1999-05-18 |
| 5637130 | Method and furnace for drawing optical fibers | Katsuya Nagayama, Hiroaki Ohta, Ichiro Tsuchiya | 1997-06-10 |
| 5417399 | Apparatus for supporting article in heating furnace | Tatsuo Saito, Kouji TAKATA, Yuichi Ohga, Hikaru Sato | 1995-05-23 |
| 5320659 | Method of forming a carbon coated optical fiber with co-current reactant flow | Yoichi Ishiguro, Masaharu Ooe, Gotaro Tanaka, Minoru Watanabe | 1994-06-14 |
| 5268984 | Coated optical fiber and method of producing the same | Toshifumi Hosoya, Tomoyuki Hattori | 1993-12-07 |
| 5127361 | Resin coating device for optical fiber | Yasuo Matsuda | 1992-07-07 |
| 5035484 | Method and apparatus for producing coated optical fiber | Yoichi Ishiguro, Masaharu Ooe, Gotaro Tanaka, Minoru Watanabe | 1991-07-30 |