5 Utility and 1 Design Patents
#29,062 in Tokyo
#162,740 in Japan
#829,333 in the World
rank by utility patentsForward Citations = 22
Company Filing History:

Ntt Electronics Corporation

4. 1 out of 28

5. 1 out of 9
Pigeon Co., Ltd.
where one patent can have more than one assignee
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