20 Utility Patents
#1,786 in Kawasaki
#36,605 in Japan
#169,187 in the World
Forward Citations = 221
Company Filing History:
Tokyo Ohka Kogyo Co., Ltd.

Tokyo Denshi Kagaku Kabushiki Kaisha
4. 2 out of 7
Tokyo Denshi Kagaku Co., Ltd.
5. 1 out of 25,522

where one patent can have more than one assignee
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