Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7781370 | Process for producing spherical activated carbon | Naohiro Sonobe | 2010-08-24 |
| 5076845 | Process for producing formed carbon products | Yosinobu Murakami | 1991-12-31 |
| 5066779 | Catalytic process for producing raw material pitch for carbon materials from naphthalene | Tooru Oono, Yosinobu Murakami | 1991-11-19 |
| 4986893 | Process for producing pitch for carbon materials | Saburou Takahashi, Tooru Ohono | 1991-01-22 |
| 4917923 | Carbonaceous cylindrical body and process for producing the same | Akio Yoshida, Tsuneo Niinuma | 1990-04-17 |
| 4863708 | Process for producing carbon fibers and the carbon fibers produced by the process | Yasuo Sakaguchi, Ken Kashiwadate | 1989-09-05 |
| 4746470 | Process for the preparation of carbon fibers having structure reflected in cross sectional view thereof as random mosaic | Hiroto Fujimaki, Kiyoshi Tagaya, Yasuo Sakaguchi | 1988-05-24 |
| 4243512 | Process for preparation of pitch for producing carbon fiber | — | 1981-01-06 |