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Kiyokazu NIWA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Heat treatment system and heat treatment method
Patent number
10,246,756
Issue date
Apr 2, 2019
Topy Kogyo Kabushiki Kaisha
Weidong Xue
C21 - METALLURGY OF IRON
Information
Patent Grant
Endless track and a manufacturing method thereof
Patent number
6,913,330
Issue date
Jul 5, 2005
Topy Kogyo Kabushiki Kaisha
Hiroyuki Takeno
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Structure for standardizing parts of an endless track
Patent number
6,742,853
Issue date
Jun 1, 2004
Topy Kogyo Kabushiki Kaisha
Hiroyuki Takeno
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Endless track and a manufacturing method thereof
Patent number
6,460,945
Issue date
Oct 8, 2002
Topy Kogyo Kabushiki Kaisha
Hiroyuki Takeno
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Production method of a heat-treated steel member
Patent number
6,294,031
Issue date
Sep 25, 2001
Topy Kogyo Kabushiki Kaisha
Hiroyuki Takeno
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HEAT TREATMENT SYSTEM AND HEAT TREATMENT METHOD
Publication number
20170016082
Publication date
Jan 19, 2017
TOPY KOGYO KABUSHIKI KAISHA
Weidong XUE
C21 - METALLURGY OF IRON
Information
Patent Application
Structure for standardizing parts of an endless track
Publication number
20030090151
Publication date
May 15, 2003
Hiroyuki Takeno
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Endless track and a manufacturing method thereof
Publication number
20020157927
Publication date
Oct 31, 2002
Hiroyuki Takeno
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Endless track and a manufacturing method thereof
Publication number
20010026099
Publication date
Oct 4, 2001
Hiroyuki Takeno
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS