6 Utility Patents
#213 in Hadano
#139,646 in Japan
#696,408 in the World
Forward Citations = 131
Company Filing History:

Other
Hitachi Microcomputer System, Ltd.
where one patent can have more than one assignee
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#213 in Hadano
#139,646 in Japan
#696,408 in the World
Company Filing History:

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