Inventor

TSUJI NAOAKI

JP7 patents

⚠️ This page may combine multiple inventors who share the name “TSUJI NAOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NTN TOYO BEARING CO LTD

5 patents

US7503697B2Mar 17, 2009

Rolling bearing assembly having an improved resistance to electric corrosion

NTN TOYO BEARING CO LTD24 citations89

US9982716B2May 29, 2018

Synthetic resin retainer and ball bearing

NTN TOYO BEARING CO LTD3 citations69

US8044544B2Oct 25, 2011

Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure

NTN TOYO BEARING CO LTD3 citations58

US10914343B2Feb 9, 2021

Ball bearing

NTN TOYO BEARING CO LTD0 citations49

US9631672B2Apr 25, 2017

Solid-lubrication rolling bearing

NTN TOYO BEARING CO LTD0 citations49

SONE KATSUNORI

1 patent

US8227950B2Jul 24, 2012

Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure

SONE KATSUNORI1 citations45

ARIHANA MIKI

1 patent

US9074630B2Jul 7, 2015

Roller bearing

ARIHANA MIKI0 citations29