9 Utility and 23 Design Patents
#234 in Tokyo
#698 in Japan
#7,659 in the World
rank by design patentsForward Citations = 419
Company Filing History:

Oki Electric Industry Co., Ltd.
Nippon Oil Company
4. 1 out of 8,893

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