Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821412 | Method of producting an electric contact | Masaaki Ishiguri, Rokuro Kikuchi, Akio Ohyama | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821412 | Method of producting an electric contact | Masaaki Ishiguri, Rokuro Kikuchi, Akio Ohyama | 1989-04-18 |