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Hironobu Yamasaki
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Fujisawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electromagnet device, electromagnet controller, electromagnet contr...
Patent number
11,295,935
Issue date
Apr 5, 2022
Ebara Corporation
Tomonori Ohashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of detecting characteristics of films using eddy current
Patent number
7,714,572
Issue date
May 11, 2010
Ebara Corporation
Mitsuo Tada
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing device using eddy current sensor
Patent number
7,078,894
Issue date
Jul 18, 2006
Ebara Corporation
Mitsuo Tada
B24 - GRINDING POLISHING
Information
Patent Grant
Frequency measuring device, polishing device using the same and edd...
Patent number
7,046,001
Issue date
May 16, 2006
Ebara Corporation
Mitsuo Tada
B24 - GRINDING POLISHING
Information
Patent Grant
Method of and apparatus for stopping a motor having magnetic bearings
Patent number
5,757,148
Issue date
May 26, 1998
Ebara Corporation
Hiroyuki Shinozaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
ELECTROMAGNET DEVICE, ELECTROMAGNET CONTROLLER, ELECTROMAGNET CONTR...
Publication number
20180114678
Publication date
Apr 26, 2018
EBARA CORPORATION
Tomonori OHASHI
G01 - MEASURING TESTING
Information
Patent Application
Polishing device using eddy current sensor
Publication number
20060214657
Publication date
Sep 28, 2006
Mitsuo Tada
B24 - GRINDING POLISHING
Information
Patent Application
Frequency measuring device, polishing device using the same and edd...
Publication number
20040032256
Publication date
Feb 19, 2004
Mitsuo Tada
B24 - GRINDING POLISHING
Information
Patent Application
Frequency measuring device, polishing device using the same and edd...
Publication number
20020047705
Publication date
Apr 25, 2002
Mitsuo Tada
G01 - MEASURING TESTING