Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8770214 | Gas mixture supplying method and apparatus | Takahiro Yamamoto | 2014-07-08 |
| 8276891 | Gas mixture supplying method and apparatus | — | 2012-10-02 |
| 7239784 | Optical fiber, method for manufacturing same and optical transmission channel | Shuhei Hayami, Mitsuhiro Kawasaki | 2007-07-03 |
| 7095940 | Optical fiber, method for manufacturing same and optical transmission channel | Shuhei Hayami, Mitsuhiro Kawasaki | 2006-08-22 |
| 6665482 | Optical fiber and optical transmission line | Mitsuhiro Kawasaki, Hiroaki Oonuma | 2003-12-16 |