92 Utility and 4 Design Patents
#9 in Hitachinaka
#1,913 in Japan
#11,413 in the World
rank by utility patentsForward Citations = 898
Company Filing History:


Hitachi Industrial Equipment Systems Co., Ltd.
4. 2 out of 1,126

5. 1 out of 831,952 patents
Other
where one patent can have more than one assignee
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