15 Utility Patents
#10,318 in Tokyo
#53,292 in Japan
#247,890 in the World
Forward Citations = 59
Company Filing History:

Mechano Transformer Corporation
Asahi Kasei Kabushiki Kaisha
4. 1 out of 476
Sumitomo Osaka Cement Co., Ltd.
5. 1 out of 510

where one patent can have more than one assignee
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