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Yasutake Hayakawa
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Kuwana-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Green ball grinding method, ceramic sphere fabrication method, and...
Patent number
9,452,503
Issue date
Sep 27, 2016
NTN Corporation
Yasutake Hayakawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cage and rolling bearing
Patent number
9,284,982
Issue date
Mar 15, 2016
NTN Corporation
Mitsuo Kawamura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cage, rolling bearing, method for manufacturing cage, and injection...
Patent number
9,192,986
Issue date
Nov 24, 2015
NTN Corporation
Eiichirou Shimazu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Green ball grinding method, ceramic sphere fabrication method, and...
Patent number
9,032,626
Issue date
May 19, 2015
NTN Corporation
Yasutake Hayakawa
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
SILICON NITRIDE SINTERED BODY, MACHINE PART, AND BEARING
Publication number
20240425419
Publication date
Dec 26, 2024
NTN Corporation
Yuta ITO
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SILICON NITRIDE SINTERED BODY, ROLLING ELEMENT USING THE SAME, AND...
Publication number
20230303454
Publication date
Sep 28, 2023
NTN Corporation
Fumiya NAKAMURA
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
PIEZOELECTRIC ELEMENT AND METHOD OF MANUFACTURING THE SAME
Publication number
20190229255
Publication date
Jul 25, 2019
NTN Corporation
Ken YASUDA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
GREEN BALL GRINDING METHOD, CERAMIC SPHERE FABRICATION METHOD, AND...
Publication number
20150231754
Publication date
Aug 20, 2015
NTN Corporation
Yasutake HAYAKAWA
B24 - GRINDING POLISHING
Information
Patent Application
CAGE AND ROLLING BEARING
Publication number
20130004112
Publication date
Jan 3, 2013
Mitsuo Kawamura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
GREEN BALL GRINDING METHOD, CERAMIC SPHERE FABRICATION METHOD, AND...
Publication number
20120180317
Publication date
Jul 19, 2012
Yasutake Hayakawa
B24 - GRINDING POLISHING
Information
Patent Application
CAGE, ROLLING BEARING, METHOD FOR MANUFACTURING CAGE, AND INJECTION...
Publication number
20120039558
Publication date
Feb 16, 2012
Eiichirou Shimazu
B22 - CASTING POWDER METALLURGY