44 Utility and 2 Design Patents
#1,215 in Kanagawa
#9,902 in Japan
#48,025 in the World
rank by utility patentsForward Citations = 169
Company Filing History:
Tokyo Ohka Kogyo Co., Ltd.
Fuji Xerox Co., Ltd.

4. 1 out of 1
Tokyo Ohka Kogyo C., Ltd.
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