9 Utility Patents
#16,556 in Tokyo
#91,165 in Japan
#422,608 in the World
Forward Citations = 83
Company Filing History:
Prostec Co., Ltd.
Sky Aluminium Co., Ltd.
4. 1 out of 1,700
5. 1 out of 1
Sony Corporation and Fujikura Ltd.
where one patent can have more than one assignee
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