59 Utility and 9 Design Patents
#1,301 in Tokyo
#5,544 in Japan
#28,175 in the World
rank by utility patentsForward Citations = 571
Company Filing History:



4. 2 out of 196
Doryokuro Kakunenryo Kaihatsu Jigyodan
5. 1 out of 2
The Fujikawa Cable Works, Ltd.
where one patent can have more than one assignee
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