Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691055 | Carbon fibers and process for preparing same | Masanobu Kobayashi, Yoji Matsuhisa, Kazuharu Shimizu | 1997-11-25 |
| 5589055 | Method for preparing carbon fibers | Masanobu Kobayashi, Yoji Matsuhisa, Kazuharu Shimizu | 1996-12-31 |
| 5587240 | Carbon fibers and process for preparing same | Masanobu Kobayashi, Yoji Matsuhisa, Kazuharu Shimizu | 1996-12-24 |
| 5462799 | Carbon fibers and process for preparing same | Masanobu Kobayashi, Yoji Matsuhisa, Kazuharu Shimizu | 1995-10-31 |
| 5298576 | Sizing agent for carbon fiber and carbon fiber treated with said sizing agent | Atsushi Sumida, Toyokazu Minakuchi, Itsuki Taniguchi, Hiroshi Hasegawa, Manabu Saito | 1994-03-29 |