Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5403660 | Reinforcing carbon fiber and process for producing carbon-carbon composite | Katsumi Takano | 1995-04-04 |
| 5246639 | Method for producing carbon-carbon composite materials | — | 1993-09-21 |
| 5091164 | Porous carbon-carbon composite and process for producing the same | — | 1992-02-25 |
| 5071631 | Porous carbon-carbon composite and process for producing the same | — | 1991-12-10 |
| 4975261 | Process for producing high strength carbon-carbon composite | — | 1990-12-04 |
| 4913889 | High strength high modulus carbon fibers | Yasuyuki Takai, Hideyuki Nakajima, Katsumi Takano, Masami Watanabe | 1990-04-03 |