29 Utility Patents
#4 in Nabari
#19,874 in Japan
#90,513 in the World
Forward Citations = 152
Company Filing History:
Koyo Seiko Company, Ltd.
4. 1 out of 828,785 patents
Other
5. 1 out of 82
Nakanishi Metal Works Co., Ltd.
where one patent can have more than one assignee
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