Seiji Nagai |
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| Date | Document Name & Details | Documents |
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| 6 August 2013 | Method for Producting Group III Nitride Semiconductor United States Patent US 8,501,141 Takayuki Sato, Seiji Nagai, Makoto Iwai, Shuhei Higashihara, Yusuke Mori, and Yasuo Kitaoka for Toyota Gosei Co., Ltd., NGK Insulators, Ltd., and Osaka University |  PDF - 782KB - 12 pages |