35 Utility and 3 Design Patents
#3,150 in Tokyo
#14,812 in Japan
#68,935 in the World
rank by utility patentsForward Citations = 499
Company Filing History:
Yupiteru Industries Co., Ltd.
Oki Electric Industry Co., Ltd.

4. 3 out of 1,048

5. 3 out of 1,896

where one patent can have more than one assignee
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