5 Utility Patents
#29,025 in Tokyo
#162,610 in Japan
#827,581 in the World
Forward Citations = 10
Company Filing History:

Kasai Kogyo Co., Ltd.
where one patent can have more than one assignee
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#29,025 in Tokyo
#162,610 in Japan
#827,581 in the World
Company Filing History:

Get your Inventor Badge Today