47 Utility and 1 Design Patents
#9 in Ome
#8,822 in Japan
#43,133 in the World
rank by utility patentsForward Citations = 737
Company Filing History:

Other
Hitachi Ulsi Engineering Corp.
4. 3 out of 1,267
Hitachi Koki Co., Ltd.
5. 2 out of 182

where one patent can have more than one assignee
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