45 Utility Patents
#63 in Hitachinaka
#9,319 in Japan
#44,951 in the World
Forward Citations = 664
Company Filing History:
Hitachi Mito Engineering Co., Ltd.
Hitachi Engineering Co., Ltd.
4. 1 out of 7
Hitachi Elevator Engineering & Service Co., Ltd.
5. 1 out of 2
Hitachi Building Systems Engineering and Service Co., Ltd.
where one patent can have more than one assignee
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