Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611650 | Silica optical fiber | Hiroyuki Hayami, Terunobu Iio, Hirokazu Kuzushita, Michitsugu Mori, Takashi Okamura +1 more | 2003-08-26 |
| 6317253 | 1.06 .mu.m band optical amplifier apparatus utilizing induced emission in optical fiber by excited rare-earth element | Tetsuya Miyazaki, Yoshio Karasawa, Minoru Yoshida | 2001-11-13 |
| 4893896 | Energy transmission optical fiber | Hiroyuki Tanaka, Takeshi Satake, Toshiya Suzuki, Atsushi Utsumi | 1990-01-16 |