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Masahiro Muranaka
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wheel bearing device and its quality management method
Patent number
7,878,411
Issue date
Feb 1, 2011
NTN Corporation
Masahiro Muranaka
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Rolling bearing for a wheel of vehicle and a semi-float type bearin...
Patent number
7,393,140
Issue date
Jul 1, 2008
NTN Corporation
Takayuki Norimatsu
G01 - MEASURING TESTING
Information
Patent Grant
Pulley, ball bearing and belt transmitting device
Patent number
6,227,994
Issue date
May 8, 2001
NTN Corporation
Motoharu Niki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Pulley, ball bearing and fan for preventing the occurence of abnorm...
Patent number
6,010,420
Issue date
Jan 4, 2000
NTN Corporation
Motoharu Niki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Pulley and ball bearing for pulleys
Patent number
5,728,020
Issue date
Mar 17, 1998
NTN Corporation
Masahiro Muranaka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Idler pulley
Patent number
5,725,448
Issue date
Mar 10, 1998
NTN Corporation
Yoshio Kato
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Wheel Bearing Device and Its Quality Management Method
Publication number
20080317397
Publication date
Dec 25, 2008
Masahiro Muranaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
Vehicle Wheel Bearing Apparatus
Publication number
20080159673
Publication date
Jul 3, 2008
NTN Corporation
Masahiro Muranaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
Rolling bearing for a wheel of vehicle and a semi-float type bearin...
Publication number
20040258337
Publication date
Dec 23, 2004
Takayuki Norimatsu
G01 - MEASURING TESTING