18 Utility Patents
#80 in Chigasaki
#42,069 in Japan
#195,099 in the World
Forward Citations = 242
Company Filing History:

Other
Hitachi Hybrid Network Co., Ltd.
4. 3 out of 17
Hitachi Communication Systems, Inc.
5. 2 out of 336
Hitachi Ulsi Systems Co., Ltd.
where one patent can have more than one assignee
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