Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11800802 | Radiation device and emission cooling device | Takeshi Inoue, Takafumi Ohtsuka, Junichi Takahara, Kazunari Kimino | 2023-10-24 |
| 10302877 | Optical cross-connect component | Tomomi Sano | 2019-05-28 |
| 10107973 | Optical cross-connect component | Tomomi Sano | 2018-10-23 |
| 10025057 | Optical cross-connect component | Tomomi Sano | 2018-07-17 |
| 6771358 | Branch line monitoring system and branch line monitoring method | Masakazu Shigehara | 2004-08-03 |
| RE38086 | Dispersion compensating fiber and optical transmission system including the same | Masashi Onishi, Masayuki Nishimura, Tomonori Kashiwada, Yasushi Koyano | 2003-04-22 |
| 6144784 | Optical input/output module and light-reflecting device | Masakazu Shigehara, Shinji Ishikawa, Motoki Kakui, Masayuki Nishimura | 2000-11-07 |
| 5838867 | Dispersion compensating fiber and optical transmission system including the same | Masashi Onishi, Masayuki Nishimura, Tomonori Kashiwada, Yasushi Koyano | 1998-11-17 |
| 5764826 | PD/LD module and PD module | Yoshiki Kuhara, Naoyuki Yamabayashi, Yasuhiro Iguchi, Yasushi Fujimura | 1998-06-09 |
| 5746801 | Process of producing fluoride glass | Chie Fukuda, Masashi Onishi | 1998-05-05 |
| 5742723 | Optical transmission system with dispersion compensating optical fiber | Masashi Onishi | 1998-04-21 |
| 5740297 | Dispersion-compensating fiber and method of fabricating the same | Masashi Onishi, Chie Fukuda | 1998-04-14 |
| 5695880 | Lead-containing fluoride glass, optical fiber and process for producing it | Takashi Kogo, Masashi Onishi, Yoshiaki Miyajima, Masataka Nakazawa | 1997-12-09 |
| 5693116 | Process for producing optical waveguide | Chisai Hirose, Yuji Matsuura | 1997-12-02 |
| 5673345 | Package with optical waveguide module mounted therein | Masahide Saito, Shigeru Semura, Shinji Ishikawa, Dai Yui | 1997-09-30 |
| 5660611 | Method for producing glass thin film | Shinji Ishikawa, Akira Urano, Haruhiko Aikawa, Chizai Hirose, Masahide Saitoh | 1997-08-26 |
| 5627928 | Optical branching device | Yuji Matsuura, Eisuke Sasaoka | 1997-05-06 |
| 5586209 | Optical branching device | Yuji Matsuura, Eisuke Sasaoka | 1996-12-17 |
| 5581647 | Method of fabricating dispersion compensation fiber | Masashi Onishi, Koji Amemiya, Chie Fukuda | 1996-12-03 |
| 5556442 | Method for fabricating an optical waveguide | Akira Urano, Haruhiko Aikawa, Shinji Ishikawa, Chisai Hirose, Masahide Saito | 1996-09-17 |
| 5555340 | Optical transmission system with dispersion compensating optical fiber | Masashi Onishi | 1996-09-10 |
| 5551966 | Optical waveguide and method of fabricating the same | Chisai Hirose, Akira Urano, Shinji Ishikawa, Haruhiko Aikawa, Masahide Saito | 1996-09-03 |
| RE35222 | Optical fiber component optical coupler and method of producing thereof | Sumio Hoshino, Masumi Ito, Masayuki Shigematsu, Hisasi Izumita | 1996-04-30 |
| 5503650 | Method for producing a glass thin film with controlloing an oxide vapor of an additive | Shinji Ishikawa, Akira Urano, Haruhiko Aikawa, Chizai Hirose, Masahide Saitoh | 1996-04-02 |
| 5446820 | Mode field diameter conversion optical fiber | Shinji Ishikawa, Koji Nakazato, Masayuki Nishimura, Yuichi Ohga | 1995-08-29 |