29 Utility Patents
#168 in Hitachi
#20,089 in Japan
#91,987 in the World
Forward Citations = 303
Company Filing History:
Hitachi, Ltd.
Other
Hitachi Chemical Company, Ltd.
4. 1 out of 17
Hiatchi, Ltd.
5. 1 out of 836
where one patent can have more than one assignee
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