Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611650 | Silica optical fiber | Terunobu Iio, Toshikazu Gozen, Hirokazu Kuzushita, Michitsugu Mori, Takashi Okamura +1 more | 2003-08-26 |
| 5335306 | Ultraviolet resistant silica glass fiber | Masatoshi Takita, Koichi Suzuki | 1994-08-02 |
| 5076825 | Method of producing optical multiple fiber | Atsushi Utsumi | 1991-12-31 |
| 4988162 | Radiation resistant multiple fiber | — | 1991-01-29 |
| 4867529 | Super-thin fiberscope | Atsushi Utsumi, Shinichi Okuno | 1989-09-19 |
| 4783135 | Optical fiber conductor and image scope using same | Atsushi Utsumi, Kenzou Semimoto | 1988-11-08 |
| 4759604 | Optical multiconductor of silica glass type | Atsushi Utsumi | 1988-07-26 |
| 4733939 | Radiation-resistant optical conductor | Atsushi Utsumi | 1988-03-29 |
| 4690500 | Optical multiple fiber | Atsushi Utsumi | 1987-09-01 |
| 4647153 | Image guide | Atsushi Utsumi | 1987-03-03 |
| 4395320 | Apparatus for producing electrodeposited wires | Tatsuji Kasashima, Shuji Morita, Seiroku Ose, Yoshinori Takada, Fumihiro Nozaki | 1983-07-26 |