16 Utility and 1 Design Patents
#9,531 in Tokyo
#49,144 in Japan
#228,669 in the World
rank by utility patentsForward Citations = 89
Company Filing History:

Kabushiki Kaisha Hanzawa Corporation
Icd Corporation
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#9,531 in Tokyo
#49,144 in Japan
#228,669 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today