36 Utility Patents
#7 in Maebashi
#14,471 in Japan
#68,228 in the World
Forward Citations = 155
Company Filing History:


Hitachi Tobu Semiconductor
4. 5 out of 336
Hitachi Ulsi Systems Co., Ltd.
5. 3 out of 832,448 patents
Other
where one patent can have more than one assignee
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