Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428892 | Carbon fibers, acrylic fibers and process for producing the acrylic fibers | Makoto Kibayashi, Katsumi Yamasaki, Akira Okuda | 2002-08-06 |
| 6368711 | Carbon fibers, acrylic fibers and process for producing the acrylic fibers | Makoto Kibayashi, Katsumi Yamasaki, Akira Okuda | 2002-04-09 |
| 6221490 | Carbon fibers, acrylic fibers and process for producing the acrylic fibers | Makoto Kibayashi, Katsumi Yamasaki, Akira Okuda | 2001-04-24 |
| 6103211 | Carbon fibers, acrylic fibers, and production processes thereof | Makoto Kibayashi, Katsumi Yamasaki, Akira Okuda | 2000-08-15 |
| 5910456 | Prepregs and carbon fiber-reinforced composite materials | Masanobu Kobayashi, Akira Okuda, Kazuharu Shimizu | 1999-06-08 |
| 5691055 | Carbon fibers and process for preparing same | Masanobu Kobayashi, Motoi Itoh, Kazuharu Shimizu | 1997-11-25 |
| 5589055 | Method for preparing carbon fibers | Masanobu Kobayashi, Motoi Itoh, Kazuharu Shimizu | 1996-12-31 |
| 5587240 | Carbon fibers and process for preparing same | Masanobu Kobayashi, Motoi Itoh, Kazuharu Shimizu | 1996-12-24 |
| 5462799 | Carbon fibers and process for preparing same | Masanobu Kobayashi, Motoi Itoh, Kazuharu Shimizu | 1995-10-31 |
| 5348802 | Carbon fiber made from acrylic fiber and process for production thereof | Toru Hiramatsu, Kazuo Yoshida, Gen-ichi Katagiri | 1994-09-20 |