Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10377659 | Optical fiber base material manufacturing apparatus | Takaaki Nagao, Yuichi Matsunaga | 2019-08-13 |
| 9758422 | Optical fiber base material manufacturing apparatus | Takaaki Nagao, Yuichi Matsunaga | 2017-09-12 |
| 6467310 | Method for producing optical fiber base material ingot by grinding while core portion central axis is brought into line with rotational axis of grinding machine | Tadakatsu Shimada, Hideo Hirasawa | 2002-10-22 |
| 5425795 | Method for pulling-up a porous silica glass preform | Hiroyuki Koide, Hideo Hirasawa, Kazuhiro Hamaguchi | 1995-06-20 |
| 5423898 | Method of lowering and raising a optical fiber preform in a sintering furnace | Hiroyuki Koide, Hideo Hirasawa, Kazuhiro Hamaguchi | 1995-06-13 |
| 4587354 | Novel organosilicon compound and a room temperature curable organopolysiloxane composition containing the same | Toshio Takago, Yoshio Inoue, Shiniti Sato | 1986-05-06 |
| 4497943 | Organocyclopolysiloxane and a room temperature curable composition containing same | Toshio Takago, Osamu Sodeyama | 1985-02-05 |
| 4376192 | Room temperature-curable organopolysiloxane compositions | Toshio Takago, Masatoshi Arai, Takeo Inoue | 1983-03-08 |