31 Utility and 3 Design Patents
#3,964 in Tokyo
#18,593 in Japan
#87,024 in the World
rank by utility patentsForward Citations = 1,591
Company Filing History:

Max Kabushiki Kaisha
Hitachi Building Systems Co., Ltd.
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#3,964 in Tokyo
#18,593 in Japan
#87,024 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today