Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660383 | Multifibrous carbon fiber and utilization thereof | Masahiro Toyoda, Yukinori Kude, Tsutomu Kihara, Osamu Katou | 2003-12-09 |
| 6056912 | Process for producing carbon-fiber-reinforced composite material | Takefumi Kohno, Masaaki Shinagawa | 2000-05-02 |
| 5935359 | Process for producing carbonaceous preform | Takefumi Kohno, Mitsuhiro Ishii, Masakazu Hiro | 1999-08-10 |
| 5622660 | Process for producing carbon fiber fabrics | Seiichi Uemura, Yasuzi Ido | 1997-04-22 |
| 5614134 | Process for preparing carbon/carbon composite preform and carbon/carbon composite | Takefumi Kohno, Yutaka Sanokawa | 1997-03-25 |
| 5523035 | Process for producing carbonaceous material | Yukinori Kude, Takefumi Kohno, Hiroshi Makino | 1996-06-04 |
| 5433937 | Process for producing carbon preform | Yutaka Sonokawa, Takefumi Kohno | 1995-07-18 |
| 5399378 | Process of manufacturing carbon fibers with high chemical stability | Seiichi Uemura, Takefumi Kohno | 1995-03-21 |
| 5192471 | Process for preparing carbon/carbon composite | Seiichi Uemura, Osamu Kato, Takefumi Kouno, Tsutomu Kihara | 1993-03-09 |
| 5181979 | Process for preparing carbon/carbon composite | Seiichi Uemura, Osamu Kato, Takefumi Kouno, Tsutomu Kihara | 1993-01-26 |
| 5114635 | Process for producing carbon material and carbon/carbon composites | Yasuzi Ido, Toshinori Nakamura, Takeshi Suemitsu | 1992-05-19 |
| 5093156 | Process for preparing carbon material | Seiichi Uemura, Yasuji Ido, Yukinori Kude, Takefumi Kohno, Toshio Hirai +2 more | 1992-03-03 |
| 5057254 | Process for producing carbon/carbon composites | Yasuji Ido, Toshinori Nakamura, Takeshi Suemitsu | 1991-10-15 |
| 5045356 | Process for producing carbon/carbon composite having oxidation resistance | Seiichi Uemura, Yasuji Ido, Toshio Hirai, Makoto Sasaki, Masayuki Niino | 1991-09-03 |
| 4849200 | Process for fabricating carbon/carbon composite | Seiichi Uemura, Yasuji Ido, Shunichi Yamamoto | 1989-07-18 |
| 4788050 | Process for producing pitch-based carbon fibers | Takao Hirose, Kazuyoshi Okamoto, Seiichi Uemura | 1988-11-29 |
| 4656022 | Process for producing pitch carbon fibers | Seiichi Uemura, Takao Hirose, Takayoshi Sakamoto, Kenji Katoh | 1987-04-07 |
| 4574077 | Process for producing pitch based graphite fibers | Seiichi Uemura, Takao Hirose, Takayoshi Sakamoto, Yoshio Kishimoto | 1986-03-04 |
| 4534950 | Process for producing carbon fibers | Seiichi Uemura, Takao Hirose | 1985-08-13 |