Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7763568 | Method for producing MgB2 superconductor and MgB2 superconductor | Hideyuki Yamada, Hiroaki Kumakura, Hitoshi Kitaguchi, Akiyoshi Matsumoto | 2010-07-27 |
| 4832721 | Method of fabricating optical fiber base material | Tamotsu Kamiya, Yasuhiro Shibayama | 1989-05-23 |
| 4813989 | Apparatus for fabricating optical fiber preform | Tamotsu Kamiya, Yasuhiro Shibayama, Shigeo Takagi, Sakae Katano | 1989-03-21 |
| 4772303 | Process for fabricating optical fiber | Tamotsu Kamiya, Yasuhiro Shibayama, Noboru Sato | 1988-09-20 |