Inventor

OKA KEITARO

JP4 patents

Patents

4 patents

US9927010B2Mar 27, 2018

Ball screw device

NSK LTD4 citations66

US11391350B2Jul 19, 2022

Ball screw

NSK LTD0 citations54

US11506269B2Nov 22, 2022

Ball screw

NSK LTD0 citations44

US11415205B2Aug 16, 2022

Internal-deflector type ball screw

NSK LTD0 citations44