56 Utility Patents
#3 in Ushiku
#6,072 in Japan
#30,663 in the World
Forward Citations = 1,895
Company Filing History:


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4. 1 out of 1,640
Hitachi Chemical Company, Ltd.
5. 1 out of 21
Hitachi Information Technology Co., Ltd.
where one patent can have more than one assignee
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