28 Utility Patents
#143 in Hitachinaka
#22,064 in Japan
#102,872 in the World
Forward Citations = 149
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4. 2 out of 832,627 patents
Other
where one patent can have more than one assignee
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#143 in Hitachinaka
#22,064 in Japan
#102,872 in the World
Company Filing History:



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