Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325908 | Platinum-based sputtering target, and method for producing the same | Akihito Fujino, Kunihiro Tanaka, Shuichi Kubota, Tetsuo Endoh, Shoji Ikeda | 2025-06-10 |
| 11168382 | Sliding contact material and method for producing same | Takumi Niitsuma, Terumasa TSURUTA, Masahiro Takahashi, YUUSUKE SAITO | 2021-11-09 |
| 10378086 | Sliding contact material and method for manufacturing same | Takumi Niitsuma, Masahiro Takahashi, Terumasa TSURUTA | 2019-08-13 |
| 8330320 | Sliding contact material, clad composite material, and motor | Keiji Nakamura, Makoto Takabatake, Hideyuki Uzawa, Masahiro Takahashi, Yoshinori Horiuchi +1 more | 2012-12-11 |
| 7876017 | Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same | Keiji Nakamura, Makoto Takabatake, Masahiro Takahashi, Shuichi Kubota, Toshiya Yamamoto | 2011-01-25 |
| 7160632 | Material for sliding contacts, clad composite material and small-sized DC motor using the same | Keiji Nakamura, Yasuhiro Hashimoto, Masahiro Takahashi, Shuichi Kubota, Toshiya Yamamoto | 2007-01-09 |
| 6245166 | Material for sliding contact, composite clad material, and small-sized direct current motor using the same | Isao Shibuya, Keiji Nakamura, Kenji Shiraki, Toshiya Yamamoto | 2001-06-12 |
| 5972131 | Ag-Cu alloy for a sliding contact | Keiji Nakamura, Isao Shibuya, Toshiya Yamamoto, Tetsuya Nakamura, Kiyoshi Nakama | 1999-10-26 |
| 5876862 | Sliding contact material, clad compoosite material, commutator employing said material and direct current motor employing said commutator | Isao Shibuya, Toshiya Yamamoto, Tetsuya Nakamura | 1999-03-02 |