Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268203 | Tin or tin alloy plating solution | Kyoka Susuki, Kiyotaka Nakaya | 2022-03-08 |
| 11174565 | Plating liquid | Kiyotaka Nakaya, Yasushi Konno | 2021-11-16 |
| 11162182 | Tin or tin alloy plating solution | Kyoka Susuki, Kiyotaka Nakaya | 2021-11-02 |
| 10450665 | Plating solution using ammonium salt | Kiyotaka Nakaya | 2019-10-22 |
| 10329680 | Plating solution using sulfonium salt | Kiyotaka Nakaya | 2019-06-25 |
| 10174434 | Plating solution using phosphonium salt | Kiyotaka Nakaya | 2019-01-08 |
| 9783904 | High-purity electrolytic copper and electrolytic refining method thereof | Kiyotaka Nakaya, Naoki Kato | 2017-10-10 |