Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12226820 | Bonding sheet | Kotaro Masuyama, Kohei Otogawa, Tomohiko Yamaguchi | 2025-02-18 |
| 11753733 | Method for producing high-purity electrolytic copper | Yoshie Tarutani, Kenji Kubota, Isao Arai | 2023-09-12 |
| 11661667 | Anti-corrosion terminal material, anti-corrosion terminal and electric wire end structure | Kenji Kubota, Yoshie Tarutani, Takashi Tamagawa | 2023-05-30 |
| 11572633 | Tin-plated copper terminal material and method of manufacturing the same | Fuyumi Mawatari, Kazunari Maki, Shinichi Funaki, Yuki Inoue | 2023-02-07 |
| 11530490 | Terminal material with silver coating film and terminal with silver coating film | Kenji Kubota, Tooru Nishimura, Takashi Tamagawa | 2022-12-20 |
| 11453953 | High-purity electrolytic copper | Yoshie Tarutani, Kenji Kubota, Isao Arai | 2022-09-27 |
| 11268203 | Tin or tin alloy plating solution | Mami Watanabe, Kyoka Susuki | 2022-03-08 |
| 11264750 | Tin-plated copper terminal material, terminal, and electric-wire terminal structure | Kenji Kubota, Yoshie Tarutani | 2022-03-01 |
| 11211729 | Terminal material for connectors, terminal, and electric wire termination structure | Kenji Kubota, Yoshie Tarutani | 2021-12-28 |
| 11174565 | Plating liquid | Mami Watanabe, Yasushi Konno | 2021-11-16 |
| 11162182 | Tin or tin alloy plating solution | Mami Watanabe, Kyoka Susuki | 2021-11-02 |
| 11088472 | Tin-plated copper terminal material, terminal, and wire terminal part structure | Kenji Kubota, Yoshie Tarutani | 2021-08-10 |
| 10923245 | Terminal material for connectors and method for producing same | Yuki Inoue, Kazunari Maki, Shinichi Funaki, Takashi Tamagawa | 2021-02-16 |
| 10910130 | Corrosion-resistant terminal material, corrosion-resistant terminal, and wire-end structure | Kenji Kubota, Yoshie Tarutani | 2021-02-02 |
| 10858750 | Tin-plated copper terminal material, terminal and electric wire terminal-end structure | Kenji Kubota, Yoshie Tarutani, Takashi Tamagawa | 2020-12-08 |
| 10801115 | Tinned copper terminal material, terminal, and electrical wire end part structure | Kenji Kubota, Yoshie Tarutani | 2020-10-13 |
| 10793956 | Additive for high-purity copper electrolytic refining and method of producing high-purity copper | Kenji Kubota, Yoshie Tarutani | 2020-10-06 |
| 10450665 | Plating solution using ammonium salt | Mami Watanabe | 2019-10-22 |
| 10428434 | Additive for high-purity copper electrolytic refining, method of producing high-purity copper, and high-purity electrolytic copper | Yoshie Tarutani, Kenji Kubota | 2019-10-01 |
| 10407785 | Additive for high-purity copper electrolytic refining and method of producing high-purity copper | Kenji Kubota, Yoshie Tarutani | 2019-09-10 |
| 10358730 | Additive for high-purity copper electrolytic refining and method of producing high-purity copper | Yoshie Tarutani, Kenji Kubota | 2019-07-23 |
| 10329680 | Plating solution using sulfonium salt | Mami Watanabe | 2019-06-25 |
| 10301737 | Method of manufacturing tin-plated copper terminal material | Kenji Kubota, Yoshie Tarutani | 2019-05-28 |
| 10174434 | Plating solution using phosphonium salt | Mami Watanabe | 2019-01-08 |
| 10047448 | Tin-plated copper-alloy terminal material | Naoki Kato, Yuki Inoue | 2018-08-14 |