Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |