Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9002164 | Optical fiber and method of manufacturing the same | Takayuki Kitamura, Akihito Imase | 2015-04-07 |
| 8268075 | Method of producing zinc oxide semiconductor crystal | Koji Omichi, Yoshikazu Kaifuchi, Akihiko Yoshikawa | 2012-09-18 |
| 7658086 | Drawing method for bare optical fiber with suppressed hydrogen diffusion | Kenji Okada, Koichi Harada, Shunichirou Hirafune | 2010-02-09 |
| 7596292 | Treatment method for optical fiber | Takahiro Hamada, Kenji Yamashiro, Koichi Harada, Yukinari Shirako, Hiroyuki Sawano +1 more | 2009-09-29 |
| 7496261 | Dispersion compensating optical fiber and dispersion compensating optical fiber module | Kazuhiko Aikawa, Yutaka Nagasawa, Shogo Shimizu, Takaaki Suzuki, Masakazu Nakayama +3 more | 2009-02-24 |
| 7486863 | Method for treating optical fiber and apparatus for treating optical fiber | Takahiro Hamada, Kenji Yamashiro, Koichi Harada, Yukinari Shirako, Hiroyuki Sawano | 2009-02-03 |
| 7041334 | Optical fiber drawing die and drawing method therefor | Takahiro Hamada, Koichi Harada | 2006-05-09 |
| 6965719 | Dispersion compensating optical fiber and dispersion compensating optical fiber module | Kazuhiko Aikawa, Yutaka Nagasawa, Shogo Shimizu, Takaaki Suzuki, Masakazu Nakayama +3 more | 2005-11-15 |
| 6789399 | Method for measuring the twisting of an optical fiber, and a method and apparatus for manufacturing optical fibers | Koichi Takahashi | 2004-09-14 |
| 6768854 | Coated optical fiber and manufacturing method and apparatus therefor | Koji Tsuruśaki, Koichi Harada | 2004-07-27 |