Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7143608 | Burner for synthesizing glass particles and method for producing porous glass body | Tadashi Enomoto, Yuichi Ohga, Nobuya Akaike, Takashi Matsuo, Motonori Nakamura | 2006-12-05 |
| 6725690 | Burner for synthesizing glass particles and method for producing porous glass body | Tadashi Enomoto, Yuichi Ohga, Nobuya Akaike, Takashi Matsuo, Motonori Nakamura | 2004-04-27 |
| 6612134 | Method of curing coated optical fibers | Koji Shimoda, Motohide Yoshida, Takashi Hasegawa | 2003-09-02 |
| 5660611 | Method for producing glass thin film | Shinji Ishikawa, Akira Urano, Chizai Hirose, Hiroo Kanamori, Masahide Saitoh | 1997-08-26 |
| 5585137 | Apparatus and method of manufacturing fiber | Motonori Nakamura, Toshio Danzuka, Akira Inoue | 1996-12-17 |
| 5556442 | Method for fabricating an optical waveguide | Hiroo Kanamori, Akira Urano, Shinji Ishikawa, Chisai Hirose, Masahide Saito | 1996-09-17 |
| 5551966 | Optical waveguide and method of fabricating the same | Chisai Hirose, Hiroo Kanamori, Akira Urano, Shinji Ishikawa, Masahide Saito | 1996-09-03 |
| 5503650 | Method for producing a glass thin film with controlloing an oxide vapor of an additive | Shinji Ishikawa, Akira Urano, Chizai Hirose, Hiroo Kanamori, Masahide Saitoh | 1996-04-02 |
| 5385594 | Method for fabricating an optical waveguide | Hiroo Kanamori, Akira Urano, Shinji Ishikawa, Chisai Hirose, Masahide Saito | 1995-01-31 |
| 5357334 | Spectroanalyzer correcting for deterioration of transmissibility | Yoichi Ishiguro, Minoru Watanabe, Yoshiaki Ichige, Fumitoshi Okamoto | 1994-10-18 |
| 5352261 | Apparatus for the production of hermetically coated optical fiber | Katsuya Nagayama, Toshio Danzuka | 1994-10-04 |
| 5348564 | Method for manufacturing a hermetically coated optical fiber | Katsuya Nagayama, Yoichi Ishiguro, Ichiro Yoshimura, Yutaka Katsuyama, Nobuyuki Yoshizawa | 1994-09-20 |
| 5338328 | Apparatus of manufacturing hermetic coating optical fiber | Yoichi Ishiguro, Toshio Danzuka | 1994-08-16 |
| 5296011 | Method of manufacturing hermetic coating optical fiber | Yoichi Ishiguro, Toshio Danzuka | 1994-03-22 |
| 5281247 | Method for producing hermetic coated optical fiber | Yoichi Ishiguro, Katsuya Nagayama, Ichiro Yoshimura, Yutaka Katsuyama, Nobuyuki Yoshizawa | 1994-01-25 |
| 5243677 | Quartz optical waveguide and method for producing the same | Hiroo Kanamori, Masumi Ito, Shinji Ishikawa, Sumio Hoshino | 1993-09-07 |
| 5208645 | Method and apparatus for optically measuring the thickness of a coating | Akira Inoue, Yoichi Ishiguro | 1993-05-04 |
| 5194080 | Apparatus for producing hermetic coated optical fiber | Yoichi Ishiguro, Katsuya Nagayama, Ichiro Yoshimura, Yutaka Katsuyama, Nobuyuki Yoshizawa | 1993-03-16 |
| 5193137 | Quartz optical waveguide and method for producing the same | Sumio Hoshino, Hiroo Kanamori, Masumi Ito, Shinji Ishikawa | 1993-03-09 |
| 5179614 | Quartz optical waveguide and method for producing the same | Hiroo Kanamori, Masumi Ito, Shinji Ishikawa, Sumio Hoshino | 1993-01-12 |