27 Utility and 1 Design Patents
#4,778 in Tokyo
#23,034 in Japan
#107,000 in the World
rank by utility patentsForward Citations = 123
Company Filing History:


Ando Electric Company
4. 4 out of 14
Furukawa Rock Drill Co., Ltd.
5. 4 out of 1,114

where one patent can have more than one assignee
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