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Shigeru Yumiyama
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrical equipment for mounting on vehicles, electrical machines,...
Patent number
6,844,640
Issue date
Jan 18, 2005
Hitachi, Ltd.
Mitsutoshi Abe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Starter device for starting automobile use engine
Patent number
6,460,428
Issue date
Oct 8, 2002
Hitachi, Ltd.
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Starting system for internal combustion engine
Patent number
6,378,479
Issue date
Apr 30, 2002
Hitachi, Ltd.
Keisuke Nishidate
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Starter equipped with current interruption mechanism
Patent number
6,028,381
Issue date
Feb 22, 2000
Hitachi, Ltd.
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Starter motor with rear bracket elements fixed by through-bolts
Patent number
6,006,618
Issue date
Dec 28, 1999
Hitachi, Ltd.
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Permanent magnetic field starter motor
Patent number
5,969,458
Issue date
Oct 19, 1999
Hitachi, Ltd.
Shigeru Yumiyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Starter having an elastic seal member shaped to taper in a directio...
Patent number
5,644,171
Issue date
Jul 1, 1997
Hitachi, Ltd.
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Revolving armature for rotary electric machinery
Patent number
5,619,088
Issue date
Apr 8, 1997
Hitachi, Ltd.
Shigeru Yumiyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotary armature and method of forming armature coil
Patent number
5,587,619
Issue date
Dec 24, 1996
Hitachi, Ltd.
Shigeru Yumiyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Pinion shift device for starter and assembly method of the same
Patent number
5,367,913
Issue date
Nov 29, 1994
Hitachi, Ltd.
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Starter for starting internal combustion engine
Patent number
5,231,307
Issue date
Jul 27, 1993
Hitachi, Ltd.
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Permanent-magnet generator used for an ignition device of an intern...
Patent number
4,879,486
Issue date
Nov 7, 1989
Hitachi, Ltd.
Shigeru Yumiyama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Silencer-carrying rotary vane pump
Patent number
4,747,761
Issue date
May 31, 1988
Hitachi, Ltd.
Shigeru Yumiyama
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Internal combustion engine starting apparatus
Publication number
20050022770
Publication date
Feb 3, 2005
Shigeru Yumiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Electrical equipment for mounting on vehicles, electrical machines,...
Publication number
20030025406
Publication date
Feb 6, 2003
Hitachi, Ltd.
Mitsutoshi Abe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Starter device for starting automobile use engine
Publication number
20010019983
Publication date
Sep 6, 2001
Hitachi Car Engineering Co., Ltd.
Shigeru Yumiyama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...