83 Utility Patents
#1 in Tondabayashi
#2,464 in Japan
#14,052 in the World
Forward Citations = 459
Company Filing History:

Koyo Seiko Company, Ltd.
Kabushiki Kaisha Tokai Rika Denki Seisakusho
4. 12 out of 395

5. 4 out of 831,952 patents
Other
where one patent can have more than one assignee
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