70 Utility Patents
#2 in Hikari
#3,701 in Japan
#19,845 in the World
Forward Citations = 967
Company Filing History:


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4. 1 out of 162
Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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#2 in Hikari
#3,701 in Japan
#19,845 in the World
Company Filing History:


Get your Inventor Badge Today