12 Utility Patents
#34 in Higashiyamato
#69,396 in Japan
#324,642 in the World
Forward Citations = 133
Company Filing History:

Other
Prometron Technics Corp.
4. 1 out of 4
Hoya Precision Inc.
5. 1 out of 1
Hoya Precisions Inc.
where one patent can have more than one assignee
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