Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277850 | Process for producing a coil-shaped carbon fiber bundle | Eiji Kitajima, Takashi Oyama, Eiji Maruden, Hirokazu Teraoka, Haruki Yamasaki | 1994-01-11 |
| 5204030 | Method for producing pitch-type carbon fiber | Eiji Kitajima, Takashi Oyama, Makoto Kitai, Haruki Yamasaki | 1993-04-20 |
| 5188894 | Composite carbon fiber and process for preparing same | Yasuhiro Yamada, Hidemasa Honda, Haruki Yamasaki | 1993-02-23 |
| 5183603 | Process for producing a coil-shaped carbon fiber bundle | Eiji Kitajima, Takashi Oyama, Eiji Maruden, Hirokazu Teraoka, Haruki Yamasaki | 1993-02-02 |
| 4717222 | Optical scanning type system | Kenji Iwasaki, Hidenosuke Ono | 1988-01-05 |