13 Utility Patents
#44 in Iruma
#61,885 in Japan
#285,181 in the World
Forward Citations = 112
Company Filing History:
Hitachi, Ltd.

Other
4. 2 out of 21
Hitachi Tokyo Electronics Co., Ltd.
5. 1 out of 86
Hitachi Ulsi Engineering Corp.
where one patent can have more than one assignee
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