Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063042 | Process for the production of carbon fibers | Toshi Iizuka, Yukio Abe, Yoshio Nakamura, Shoji Takigami, Machiko Takigami | 1991-11-05 |
| 5019603 | Process for the production of porous phenolic resin fibers | Yukio Abe, Toshi Iizuka, Yoshio Nakamura, Shoji Takigami, Machiko Takigami | 1991-05-28 |