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Yuji Yoshitomi
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Kudamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic urine disposal device and urine receptacle used therefor
Patent number
7,390,320
Issue date
Jun 24, 2008
Hitachi, Ltd.
Shigeru Machida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electronic equipment
Patent number
7,050,299
Issue date
May 23, 2006
Hitachi, Ltd.
Yoshihiro Kondo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid cooling system and personal computer using thereof
Patent number
6,987,668
Issue date
Jan 17, 2006
Hitachi, Ltd.
Makoto Kitano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid cooling system and personal computer using the same
Patent number
6,972,954
Issue date
Dec 6, 2005
Hitachi, Ltd.
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Liquid cooling system and personal computer using the same
Patent number
6,873,525
Issue date
Mar 29, 2005
Hitachi, Ltd.
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Spindle motor and manufacture thereof
Patent number
6,822,358
Issue date
Nov 23, 2004
Hitachi, Ltd.
Tsutomu Nozaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Cooling device of electronic apparatus
Patent number
6,808,014
Issue date
Oct 26, 2004
Hitachi, Ltd.
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Electronic equipment
Patent number
6,807,056
Issue date
Oct 19, 2004
Hitachi, Ltd.
Yoshihiro Kondo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid cooling system and personal computer using thereof
Patent number
6,741,464
Issue date
May 25, 2004
Hitachi, Ltd.
Makoto Kitano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Liquid cooling system and personal computer using thereof
Patent number
6,697,253
Issue date
Feb 24, 2004
Hitachi, Ltd.
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Crawler
Patent number
6,634,725
Issue date
Oct 21, 2003
Hitachi Construction Machinery Co., Ltd.
Genroku Sugiyama
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Displacement type fluid machine
Patent number
6,183,228
Issue date
Feb 6, 2001
Hitachi, Ltd.
Shigeru Machida
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement type compressor and method of forming coating film
Patent number
6,079,963
Issue date
Jun 27, 2000
Hitachi, Ltd.
Yoshishige Endo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor having an orbiting scroll with volute wraps on bo...
Patent number
5,775,893
Issue date
Jul 7, 1998
Hitachi, Ltd.
Kunihiko Takao
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method and apparatus for forming a non-circular pipe
Patent number
5,735,156
Issue date
Apr 7, 1998
Hitachi, Ltd.
Yuji Yoshitomi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Electromagnetic flowmeter and manufacture method of same
Patent number
5,400,659
Issue date
Mar 28, 1995
Hitachi, Ltd.
Kazuaki Yokoi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Truss-type girder for supporting a movable body
Patent number
4,489,659
Issue date
Dec 25, 1984
Hitachi, Ltd.
Hideaki Kamohara
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Joint for framework structure
Patent number
4,425,048
Issue date
Jan 10, 1984
Hitachi, Ltd.
Hideaki Kamohara
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Method of correcting distorted pipe end
Patent number
4,262,517
Issue date
Apr 21, 1981
Hitachi, Ltd.
Hideaki Kamohara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Tube-hole structure for expanded tube-to-tube-sheet joint
Patent number
4,142,581
Issue date
Mar 6, 1979
Hitachi, Ltd.
Yuji Yoshitomi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Liquid cooling system and personal computer using the same
Publication number
20050157466
Publication date
Jul 21, 2005
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Cooling device of electronic apparatus
Publication number
20050082036
Publication date
Apr 21, 2005
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Electronic equipment
Publication number
20050047083
Publication date
Mar 3, 2005
Yoshihiro Kondo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Automatic urine disposal device and urine receptacle used therefor
Publication number
20050033248
Publication date
Feb 10, 2005
Hitachi, Ltd
Shigeru Machida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Liquid cooling system and personal computer using thereof
Publication number
20040233635
Publication date
Nov 25, 2004
Makoto Kitano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Liquid cooling system and personal computer using the same
Publication number
20040228088
Publication date
Nov 18, 2004
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Electronic equipment
Publication number
20040057211
Publication date
Mar 25, 2004
Yoshihiro Kondo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Cooling device of electronic apparatus
Publication number
20040035557
Publication date
Feb 26, 2004
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Displacement type compressor and method of forming coating film
Publication number
20030164352
Publication date
Sep 4, 2003
Yoshishige Endo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Spindle motor and manufacture thereof
Publication number
20030102742
Publication date
Jun 5, 2003
Tsutomu Nozaki
G11 - INFORMATION STORAGE
Information
Patent Application
Crawler
Publication number
20030000747
Publication date
Jan 2, 2003
Genroku Sugiyama
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Liquid cooling system and personal computer using thereof
Publication number
20020075645
Publication date
Jun 20, 2002
Makoto Kitano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Liquid cooling system and personal computer using thereof
Publication number
20020075646
Publication date
Jun 20, 2002
Rintaro Minamitani
F28 - HEAT EXCHANGE IN GENERAL