Inventor

YAMAKAWA TSUKASA

JP4 patents

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

NTN TOYO BEARING CO LTD

2 patents

US6547443B2Apr 15, 2003

Tapered roller bearing

NTN TOYO BEARING CO LTD25 citations89

US8044544B2Oct 25, 2011

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

NTN TOYO BEARING CO LTD3 citations58

ITO TAKASHI

1 patent

US9441676B2Sep 13, 2016

Bearing assembly including IC tag

ITO TAKASHI2 citations60

SONE KATSUNORI

1 patent

US8227950B2Jul 24, 2012

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

SONE KATSUNORI1 citations45