39 Utility Patents
#134 in Irvine, CA
#9,069 in California
#29,337 in US
#55,638 in the World
Forward Citations = 686
Company Filing History:
Hitachi Chemical Company, Ltd.
Hitachi Chemical Research Center, Inc.
Hitachi Chemical Company America, Ltd.
4. 3 out of 828,785 patents
Other
5. 2 out of 3
City of Sapporo
where one patent can have more than one assignee
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