74 Utility Patents
#18 in Hitachinaka
#3,244 in Japan
#17,751 in the World
Forward Citations = 1,028
Company Filing History:

Hitachi Engineering Co., Ltd.
Xanavi Informatics Corporation
4. 7 out of 831,952 patents
Other
5. 3 out of 1,126

where one patent can have more than one assignee
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