19 Utility Patents
#14 in Narashino
#39,252 in Japan
#181,495 in the World
Forward Citations = 210
Company Filing History:


Other
4. 1 out of 229
Oji Paper Co., Ltd.
5. 1 out of 3
Shin-estu Quartz Products Co., Ltd.
where one patent can have more than one assignee
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