Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5882439 | Chromized heat-resistant alloy members and a process for the production thereof | Hisamichi Nagahara, Masamichi Kawasaki, Yoshio Harada | 1999-03-16 |
| 5789077 | Method of forming carbide-base composite coatings, the composite coatings formed by that method, and members having thermally sprayed chromium carbide coatings | Hisamichi Nagahara, Masamichi Kawasaki, Yoshio Harada, Junichi Takeuchi | 1998-08-04 |
| 4333001 | Method for welding an impeller | Etsu Yamashita | 1982-06-01 |
| 4296308 | Apparatus for welding impeller | Etsu Yamashita | 1981-10-20 |