9 Utility Patents
#225 in Kodaira
#95,491 in Japan
#457,239 in the World
Forward Citations = 134
Company Filing History:

Hitachi Engineering Co., Ltd.

where one patent can have more than one assignee
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#225 in Kodaira
#95,491 in Japan
#457,239 in the World
Company Filing History:


Get your Inventor Badge Today