8 Utility Patents
#19,791 in Tokyo
#107,131 in Japan
#518,894 in the World
Forward Citations = 51
Company Filing History:

Kogyo Kabushiki Kaisha
Tokyo Denki Kagaku Kogyo Kabushiki Kaisha
4. 1 out of 1
Tokyo Denki Kagaku
5. 1 out of 1
Tokyo Denki Kogaku Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
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