Inventor
KATSUBE KENICHI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “KATSUBE KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NHK SPRING CO LTD
14 patentsUS9446690B2Sep 20, 2016
Power seat operation device and power seat
NHK SPRING CO LTD9 citations81
US10773613B2Sep 15, 2020
Vehicle seat
NHK SPRING CO LTD9 citations80
US11634048B2Apr 25, 2023
Vehicle seat
NHK SPRING CO LTD3 citations70
US10829008B2Nov 10, 2020
Vehicle seat
NHK SPRING CO LTD3 citations70
US10589650B2Mar 17, 2020
Headrest device
NHK SPRING CO LTD2 citations70
US10589651B2Mar 17, 2020
Headrest
NHK SPRING CO LTD3 citations70
US10589640B2Mar 17, 2020
Power supply unit and vehicle seat
NHK SPRING CO LTD5 citations65
US11173810B2Nov 16, 2021
Seat opening concealment structure
NHK SPRING CO LTD1 citations60
US11097641B2Aug 24, 2021
Vehicle seat
NHK SPRING CO LTD1 citations60
US11642994B2May 9, 2023
Vehicle seat
NHK SPRING CO LTD0 citations52
US11167675B2Nov 9, 2021
Vehicle seat
NHK SPRING CO LTD0 citations49
US12351081B2Jul 8, 2025
Slide device
NHK SPRING CO LTD0 citations46
US10266072B2Apr 23, 2019
Power seat operation device and power seat
NHK SPRING CO LTD0 citations33
US10192699B2Jan 29, 2019
Power seat operation device and power seat
NHK SPRING CO LTD0 citations33