Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882517 | Raw material composite for carbon material used in electric double layer capacitor, manufacturing method of the same, electric double layer capacitor, and manufacturing method of the same | Tamotsu Tano, Takashi Oyama, Akinori Mogami, Makoto Takeuchi, Hiroshi Kobayashi | 2005-04-19 |
| 6660383 | Multifibrous carbon fiber and utilization thereof | Masahiro Toyoda, Yoshio Sohda, Tsutomu Kihara, Osamu Katou | 2003-12-09 |
| 5523035 | Process for producing carbonaceous material | Yoshio Sohda, Takefumi Kohno, Hiroshi Makino | 1996-06-04 |
| 5093156 | Process for preparing carbon material | Seiichi Uemura, Yoshio Sohda, Yasuji Ido, Takefumi Kohno, Toshio Hirai +2 more | 1992-03-03 |