14 Utility Patents
#11,187 in Tokyo
#58,096 in Japan
#270,350 in the World
Forward Citations = 180
Company Filing History:

Nippon Kokan Kabushiki Kaisha
Nippon Steel Corporation
4. 1 out of 189
Toshiba Ceramics Co., Ltd.
5. 1 out of 14
Tokyo Magnetic Printing Co., Ltd.
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