6 Utility Patents
#25,201 in Tokyo
#139,573 in Japan
#695,828 in the World
Forward Citations = 61
Company Filing History:

Aichi Tokei Denki Co., Ltd.

4. 1 out of 9
Tokyo Gas Kabushiki Kaisha
5. 1 out of 9
Kimmon Manufacturing Co., Ltd.
where one patent can have more than one assignee
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