Kazuyoshi Yamakawa |
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Documents |
| Date | Document Name & Details | Documents |
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| 6 August 2013 | DLC-Coated Member United States Patent US 8,501,673 Masahiro Suzuki, Toshiyuki Saito, and Kazuyoshi Yamakawa for JTEKT Corporation |  PDF - 606KB - 9 pages |