Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7189656 | Method for manufacturing ag-oxide-based electric contact material and product of the same | Sadao Sato, Hideo Kumita, Kohei Tsuda, Kunio Shiokawa, Kenichi Kamiura +1 more | 2007-03-13 |