72 Utility Patents
#17 in Hitachi
#3,452 in Japan
#18,789 in the World
Forward Citations = 997
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4. 10 out of 900

5. 5 out of 21,351

where one patent can have more than one assignee
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#17 in Hitachi
#3,452 in Japan
#18,789 in the World
Company Filing History:




Get your Inventor Badge Today