24 Utility and 6 Design Patents
#5,413 in Tokyo
#27,080 in Japan
#123,190 in the World
rank by utility patentsForward Citations = 683
Company Filing History:
Other
4. 3 out of 468
Hitachi Industrial Equipment Systems Co., Ltd.
5. 3 out of 52,167
where one patent can have more than one assignee
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