Inventor
SEKO KAZUMASA
JP7 patents
Patents
7 patentsUS11306776B2Apr 19, 2022
Double-row self-aligning roller bearing
NTN TOYO BEARING CO LTD2 citations72
US10655674B2May 19, 2020
Double-row self-aligning roller bearing
NTN TOYO BEARING CO LTD3 citations72
US10883544B2Jan 5, 2021
Double-row self-aligning roller bearing and protrusion prevention jig
NTN TOYO BEARING CO LTD1 citations61
US10697492B2Jun 30, 2020
Double-row self-aligning roller bearing
NTN TOYO BEARING CO LTD1 citations61
US11773901B2Oct 3, 2023
Self-aligning roller bearing
NTN TOYO BEARING CO LTD1 citations60
US11187266B2Nov 30, 2021
Double-row self-aligning roller bearing
NTN TOYO BEARING CO LTD0 citations51
US10808761B2Oct 20, 2020
Rolling bearing, and abrasion resistance treatment method for bearing raceway surface
NTN TOYO BEARING CO LTD0 citations36