16 Utility and 2 Design Patents
#9,500 in Tokyo
#49,042 in Japan
#227,688 in the World
rank by utility patentsForward Citations = 120
Company Filing History:

Hitachi Chemical Company, Ltd.
Plus Corporation
4. 3 out of 614

5. 1 out of 153
Tokyo Kogaku Kikai Kabushiki Kaisha
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