Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935359 | Process for producing carbonaceous preform | Yoshio Sohda, Takefumi Kohno, Mitsuhiro Ishii | 1999-08-10 |
| 5803210 | Disk brakes | Takefumi Kohno, Yoshio Soda, Mitsuhiro Ishii | 1998-09-08 |