18 Utility and 1 Design Patents
#8,296 in Tokyo
#42,031 in Japan
#194,883 in the World
rank by utility patentsForward Citations = 621
Company Filing History:
Copal Company Limited

Other
4. 2 out of 39,209

5. 1 out of 1,100
Kabushiki Kaisha Kobe Seiko Sho
where one patent can have more than one assignee
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