Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H907 | Process for producing conductive graphite fiber | Koji Tsuchimoto, Kazuhiro Yanagida | 1991-04-02 |
| 4801372 | Optically anisotropic pitch | Hajime Yoshida, Teruhiko Sasaki | 1989-01-31 |
| 4793912 | Process for producing a pitch having a low softening point | Hajime Yoshida, Teruhiko Sasaki | 1988-12-27 |
| 4670129 | Pitch for production of carbon fibers | Hajime Yoshida, Kazuhiro Yanagida | 1987-06-02 |
| 4597853 | Pitch as a raw material for making carbon fibers and process for producing the same | Kunihiko Moriya, Goro Muroga, Kazuhiro Yanagida | 1986-07-01 |
| 4462893 | Process for producing pitch for using as raw material for carbon fibers | Kunihiko Moriya, Goro Muroga, Kazuhiro Yanagida | 1984-07-31 |
| 4462894 | Process for producing pitch for using as raw material for carbon fibers | Kunihiko Moriya, Goro Muroga, Kazuhiro Yanagida | 1984-07-31 |
| 4460454 | Process for producing pitch for using as raw material for carbon fibers | Hiroshi Iijima, Kunihiko Moriya, Goro Muroga, Kazuhiro Yanagida, Yoshikazu Nakamura +2 more | 1984-07-17 |
| 4460455 | Process for producing pitch for using as raw material for carbon fibers | Kunihiko Moriya, Goro Muroga, Kazuhiro Yanagida | 1984-07-17 |