Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9611124 | Optical fiber screening test method and optical fiber screening test apparatus | — | 2017-04-04 |
| 8997527 | Apparatus and method for manufacturing optical fiber preform | Yuichi Kato | 2015-04-07 |
| 8881554 | Optical fiber preform manufacturing apparatus and optical fiber preform manufacturing method | — | 2014-11-11 |
| 8869565 | Method and apparatus of producing optical fiber preform | Shunichirou Hirafune | 2014-10-28 |
| 8567217 | Optical fiber preform and manufacturing method therefor | Takakazu Gotoh | 2013-10-29 |
| 8375749 | Method for fabricating porous silica preform | Kentaro Ichii, Takakazu Gotoh, Koichi Harada | 2013-02-19 |
| 8340487 | Rare earth-doped core optical fiber and manufacturing method thereof | Masashi Ikeda, Kuniharu Himeno, Michihiro Nakai, Tomoharu Kitabayashi | 2012-12-25 |
| 8195019 | Plastic glass optical fiber | Kenji Okada, Shoichiro Matsuo | 2012-06-05 |
| 8037718 | Method for manufacturing optical fiber preform | — | 2011-10-18 |
| 7866189 | Dehydration-sintering furnace, a manufacturing method of an optical fiber preform utilizing the furnace and an optical fiber preform manufactured by the method | Manabu Saitou | 2011-01-11 |
| 7849714 | Dehydration-sintering furnace | Manabu Saitou | 2010-12-14 |
| 7647792 | Method for fabricating porous silica preform | Kentaro Ichii, Takakazu Gotoh, Koichi Harada | 2010-01-19 |