Issued Patents All Time
Showing 176–179 of 179 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873071 | Graphite structures and method for production thereof | Yasuhiro Yamada, Hidemasa Honda, Masaki Fujii, Masanori Minohata | 1989-10-10 |
| 4818449 | Process to prevent crack formation in the production of carbon fibers | Yasuhiro Yamada, Hidemasa Honda, Masatoshi Tsuchitani, Ryoichi Nakajima | 1989-04-04 |
| 4606808 | Method for the preparation of pitches for spinning carbon fibers | Yasuhiro Yamada, Masao Shibata, Seiji Arita, Hidemasa Honda | 1986-08-19 |
| 4590055 | Pitch-based carbon fibers and pitch compositions and precursor fibers therefor | Yasuhiro Yamada, Hidemasa Honda, Toru Sawaki, Hideharu Sasaki | 1986-05-20 |