21 Utility Patents
#15 in Diamond Bar, CA
#21,008 in California
#74,111 in US
#144,384 in the World
Forward Citations = 380
Company Filing History:
Maxdem Incorporated
Apollo Instruments, Inc.
Hitachi Chemical Company, Ltd.
4. 1 out of 828,785 patents
Other
5. 1 out of 1
Optton Co. Ltd.
where one patent can have more than one assignee
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