Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5714700 | High strength self-lubricating composite material for high temperature and production method of the same | Shoichi SEKIGUCHI, Toru Ono, Yuko Tsuya | 1998-02-03 |
| 4956011 | Iron-silicon alloy powder magnetic cores and method of manufacturing the same | Masao Yamamiya | 1990-09-11 |
| 4775589 | Coaltar pitch based carbon fiber having high Young's modulus | Takeshi Hamada, Yasunori Sajiki, Mitsuaki Matsumoto | 1988-10-04 |