10 Utility Patents
#3 in Tsukui-gun
#83,723 in Japan
#390,486 in the World
Forward Citations = 290
Company Filing History:
Hitachi, Ltd.
Other
Hitachi Electronics Services Co. Ltd.
4. 2 out of 228

5. 1 out of 56
Hitachi Computer Engineering Co., Ltd.
where one patent can have more than one assignee
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