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Shu Yotsumoto
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Tagata-gun, JP
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Patents Grants
last 30 patents
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Patent Grant
Heat exchanger
Patent number
8,584,742
Issue date
Nov 19, 2013
Usui Kokusai Sangyo Kaisha, Ltd.
Masayoshi Usui
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat conduction pipe externally covered with fin member
Patent number
7,093,650
Issue date
Aug 22, 2006
Usui Kokusai Sangyo Kaisha, Ltd.
Yasuaki Hashimoto
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Ring joint, connection structure for connecting piping and ring joi...
Patent number
6,851,723
Issue date
Feb 8, 2005
Usui Kokusai Sangyo Kaisha, Ltd.
Masayoshi Usui
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Heat exchanger
Publication number
20070062677
Publication date
Mar 22, 2007
Masayoshi Usui
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Heat conduction pipe externally covered with fin member
Publication number
20050082051
Publication date
Apr 21, 2005
Yasuaki Hashimoto
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Ring joint, connection structure for connecting piping and ring joi...
Publication number
20030062721
Publication date
Apr 3, 2003
Masayoshi Usui
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...