Kenji Aoki |
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Documents |
| Date | Document Name & Details | Documents |
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| 3 July 2012 | Devices for Detecting Accumulation Amount of Particulates United States Patent US 8,210,033 B2 Jungo Kondo, Keiji Matsuhiro, Kenji Aoki, and Atsuo Kondo for NGK Insulators, Ltd. |  PDF - 899KB - 11 pages |