Inventor

OHKAWARA YUSUKE

JP3 patents

Patents

3 patents

US10052989B2Aug 21, 2018

Headrest device

NHK SPRING CO LTD1 citations47

US8936318B2Jan 20, 2015

Vehicle seat

NHK SPRING CO LTD1 citations46

US10207602B2Feb 19, 2019

Reclining device and vehicle seat

NHK SPRING CO LTD0 citations27