8 Utility Patents
#115 in Akishima
#107,188 in Japan
#519,349 in the World
Forward Citations = 640
Company Filing History:

Hitachi Keiyo Engineering Co., Ltd.
Hitachi Ulsi Engineering Corp.
4. 2 out of 832,540 patents
Other
5. 2 out of 35
where one patent can have more than one assignee
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