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Masakazu Matsumoto
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Kudamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Railway vehicle and method for operating vehicle
Patent number
7,021,220
Issue date
Apr 4, 2006
Hitachi, Ltd.
Iwao Harada
B61 - RAILWAYS
Information
Patent Grant
Rolling stock ventilator and its control method
Patent number
5,439,415
Issue date
Aug 8, 1995
Hitachi, Ltd.
Haruo Hirikawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Methods and apparatus for ventilating carriages
Patent number
5,263,894
Issue date
Nov 23, 1993
Hitachi, Ltd.
Haruo Hirakawa
B61 - RAILWAYS
Information
Patent Grant
Ventilating equipment for railway rolling stock and operating metho...
Patent number
5,137,490
Issue date
Aug 11, 1992
Hitachi, Ltd.
Shinichirou Ishikawa
B61 - RAILWAYS
Information
Patent Grant
Method of air-conditioning and system for the same
Patent number
4,742,692
Issue date
May 10, 1988
Hitachi, Ltd.
Yoshiyuki Yoneda
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Railway vehicle and method for operating vehicle
Publication number
20050139115
Publication date
Jun 30, 2005
Iwao Harada
B61 - RAILWAYS