Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236925 | Method of producing sintered material having high damping capacity and wearing resistance and resultant products | Masateru Suwa, Ko Soeno, Akio Okayama, Masatoshi Tsuchiya, Hisakiti Onodera | 1980-12-02 |