27 Utility and 1 Design Patents
#4,851 in Tokyo
#23,214 in Japan
#108,080 in the World
rank by utility patentsForward Citations = 412
Company Filing History:

Nihon Seimitsu Kogyo Kabushiki Kaisha
Other
4. 1 out of 15,919

5. 1 out of 1,278

where one patent can have more than one assignee
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