Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570522 | Etching solution for copper or copper alloy | Yutaka Yoshida | 2020-02-25 |
| 9790600 | Etching agent for copper or copper alloy | Tsutomu Kojima | 2017-10-17 |
| 9476019 | Cleaning agent for semiconductor provided with metal wiring | Mutsumi Nakanishi, Hiroshi Yoshimochi | 2016-10-25 |
| 9175404 | Etching agent for copper or copper alloy | Tsutomu Kojima | 2015-11-03 |
| 9045717 | Cleaning agent for semiconductor provided with metal wiring | Mutsumi Nakanishi, Hiroshi Yoshimochi | 2015-06-02 |
| 5396579 | Membership function generator | Masanari Oh | 1995-03-07 |