Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513296 | Optical component, optical connection component with graded index lens, and method of manufacturing optical component | Kazuhiro Nakahara, Katsuya Ohtomo, Shohei OGURA, Masahiro Shiotani | 2022-11-29 |
| 11314019 | Capillary-type lens array and capillary-type lens array composite component | — | 2022-04-26 |
| 11262504 | Optical connection apparatus | Koichi Arishima | 2022-03-01 |
| 11021388 | Perforated quartz glass tube and method for manufacturing perforated quartz glass tube | — | 2021-06-01 |
| 10921522 | Optical fiber member and optical fiber holder | Hiroki Hara, Masahiro Shinkai, Takashi Kikukawa, Masami Sasaki, Ryohei FUKUZAKI +3 more | 2021-02-16 |
| 6304687 | Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit | Yasuyuki Inoue, Akimasa Kaneko, Hiroshi Takahashi, Fumiaki Hanawa, Kuninori Hattori +9 more | 2001-10-16 |
| 4902325 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Minoru Watanabe, Shigeru Tanaka | 1990-02-20 |
| 4812155 | Method for production of glass preform for optical fibers | Michihisa Kyoto, Naoki Yoshioka, Gotaro Tanaka, Hiroo Kanamori, Minoru Watanabe | 1989-03-14 |
| 4804247 | Quartz glass optical fiber | Michihisa Kyoto, Shuzo Suzuki, Minoru Watanabe | 1989-02-14 |
| 4801322 | Method, apparatus and burner for fabricating an optical fiber preform | Hiroyuki Suda, Shuichi Shibata | 1989-01-31 |
| 4618354 | Method, apparatus and burner for fabricating an optical fiber preform | Hiroyuki Suda, Shuichi Shibata | 1986-10-21 |
| 4545801 | Raw material supply device | Tetsuo Miyajiri, Toshimi Habasaki, Hiroshi Yokota, Tamio Tsurita | 1985-10-08 |
| 4421540 | System for producing an optical fiber preform with gas volume control | Tetsuo Miyajiri, Naoki Yoshioka, Toru Kuwahara | 1983-12-20 |
| 4419116 | Process for producing optical fiber preform and apparatus therefor | Naoki Yoshioka, Hiroshi Yokota, Tetsuo Miyajiri, Minoru Watanabe | 1983-12-06 |
| 4414012 | Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass | Shoichi Suto, Hiroyuki Suda, Fumiaki Hanawa, Nobuo Inagaki | 1983-11-08 |
| 4367085 | Method of fabricating multi-mode optical fiber preforms | Shoichi Suto, Fumiaki Hanawa, Masao Kawachi, Takao Edahiro | 1983-01-04 |