27 Utility Patents
#4,898 in Tokyo
#23,349 in Japan
#108,748 in the World
Forward Citations = 113
Company Filing History:


Tokyo Ohka Kogyo Co., Ltd.
4. 1 out of 7,523

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#4,898 in Tokyo
#23,349 in Japan
#108,748 in the World
Company Filing History:



Get your Inventor Badge Today