44 Utility Patents
#553 in Kawasaki
#10,050 in Japan
#48,539 in the World
Forward Citations = 86
Company Filing History:

Nippon Tanshi Co., Ltd.

4. 2 out of 1,033
Kabushiki Kaisha Topcon
5. 1 out of 2,017

where one patent can have more than one assignee
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