19 Utility and 2 Design Patents
#3,749 in Kanagawa
#39,252 in Japan
#181,495 in the World
rank by utility patentsForward Citations = 206
Company Filing History:



4. 1 out of 21
Tamagawa Seiki Co., Ltd.
5. 1 out of 681

where one patent can have more than one assignee
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