2 Utility Patents
#18,320 in Kanagawa
#303,991 in Japan
Forward Citations = 24
Company Filing History:


Hitachi Computer Eng. Co., Ltd.
4. 1 out of 1
Hitachitelecom Tech. Ltd.
5. 1 out of 2
Hitachisoftware Eng. Co., Ltd.
where one patent can have more than one assignee
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