25 Utility Patents
#3 in Tamamura
#26,247 in Japan
#121,804 in the World
Forward Citations = 262
Company Filing History:

Hitachi Tobu Semiconductor
Other
4. 5 out of 3,780

5. 4 out of 336
Hitachi Ulsi Systems Co., Ltd.
where one patent can have more than one assignee
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