Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888153 | Fe-base build-up alloy excellent in resistance to corrosion and wear | Ritsue Yabuki | 1989-12-19 |
| 4874577 | Wear-resistant intermetallic compound alloy having improved machineability | Junji Hoshi | 1989-10-17 |
| 4867224 | Method of manufacturing castings of active metal or alloy thereof having unidirectional solidification structure | Juji Hoshi | 1989-09-19 |