Keitaro Oka

Nsk: 3 patents #5 of 122Top 5%

Overall (2022): #73,685 of 548,613Top 15%

Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11506269	Ball screw	—	2022-11-22
11415205	Internal-deflector type ball screw	—	2022-08-16
11391350	Ball screw	—	2022-07-19