Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501361 | Optical fiber preform manufacturing method and optical fiber preform manufacturing device | Dai Inoue, Hiroyuki Koide | 2019-12-10 |
| 10377659 | Optical fiber base material manufacturing apparatus | Masami Terashima, Yuichi Matsunaga | 2019-08-13 |
| 9758422 | Optical fiber base material manufacturing apparatus | Masami Terashima, Yuichi Matsunaga | 2017-09-12 |
| 9527764 | Quartz glass manufacturing method using hydrogen obtained by vaporizing liquid hydrogen | Dai Inoue, Hiroyuki Koide | 2016-12-27 |
| 8839645 | Method of manufacturing optical fiber base material and apparatus of the same | Dai Inoue, Hiroyuki Koide | 2014-09-23 |
| 8726693 | Apparatus and method for supplying hydrogen gas, and quartz glass manufacturing apparatus | Dai Inoue, Hiroyuki Koide | 2014-05-20 |
| 8701447 | Method of manufacturing optical fiber base material and apparatus of the same | Dai Inoue, Hiroyuki Koide | 2014-04-22 |
| 8460408 | Hydrogen supply equipment | Dai Inoue, Hiroyuki Koide | 2013-06-11 |
| 7788951 | Method of elongating an optical fiber base material | Tadakatsu Shimada, Soichiro Kemmochi | 2010-09-07 |
| 7093412 | Glass base material packing method | Tadakatsu Shimada, Hideo Hirasawa | 2006-08-22 |
| 6467311 | Double flame polishing method for fiber preforms | Hideki Fujii, Shoji Hoshino, Tadakatsu Shimada, Hideo Hirasawa | 2002-10-22 |
| 5663865 | Ceramic electrostatic chuck with built-in heater | Nobuo Kawada, Ryoji Nakajima, Toshihiko Shindo | 1997-09-02 |
| 5566043 | Ceramic electrostatic chuck with built-in heater | Nobuo Kawada, Toshihiko Shindoh, Kazuhiko Urano, Junichi Arami, Kenji Ishikawa | 1996-10-15 |
| 4772161 | Profile working machine | Yotaro Hatamura, Kozo Ono | 1988-09-20 |
| 4666352 | Profile working machine | Yotaro Hatamura, Kozo Ono | 1987-05-19 |