Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644018 | Pitch with reduced tendency to smoke during spinning and a process for the production of said pitch | Yasuhiro Hirai, Takafumi Yoshimura | 1997-07-01 |
| 5609800 | Process for producing high-density and high-strength carbon artifacts showing a fine mosaic texture of optical anisotropy | Isao Mochida, Ryuji Fujiura, Hitoshi Sakamoto | 1997-03-11 |