Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858750 | Tin-plated copper terminal material, terminal and electric wire terminal-end structure | Yoshie Tarutani, Takashi Tamagawa, Kiyotaka Nakaya | 2020-12-08 |
| 10801115 | Tinned copper terminal material, terminal, and electrical wire end part structure | Yoshie Tarutani, Kiyotaka Nakaya | 2020-10-13 |
| 10793956 | Additive for high-purity copper electrolytic refining and method of producing high-purity copper | Yoshie Tarutani, Kiyotaka Nakaya | 2020-10-06 |