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Kei Yonezawa
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of receiving charge, method of controlling charge, charge co...
Patent number
9,168,841
Issue date
Oct 27, 2015
Hitachi, Ltd.
Shoji Kawai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Wireless signal receiver
Patent number
7,525,437
Issue date
Apr 28, 2009
Hitachi, Ltd.
Daisuke Takeuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic-money rewarding system for lost and found IC card
Patent number
6,679,423
Issue date
Jan 20, 2004
Hitachi, Ltd.
Makoto Ijichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic-money rewarding system for lost and found IC card
Patent number
6,273,334
Issue date
Aug 14, 2001
Hitachi, Ltd.
Makoto Ijichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic-money rewarding system for lost and found IC card
Patent number
5,932,859
Issue date
Aug 3, 1999
Hitachi, Ltd.
Makoto Ijichi
G07 - CHECKING-DEVICES
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF RECEIVING CHARGE, METHOD OF CONTROLLING CHARGE, CHARGE CO...
Publication number
20150326040
Publication date
Nov 12, 2015
Hitachi, Ltd
Shoji Kawai
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF RECEIVING CHARGE, METHOD OF CONTROLLING CHARGE, CHARGE CO...
Publication number
20110285345
Publication date
Nov 24, 2011
Hitachi, Ltd.
Shoji Kawai
B60 - VEHICLES IN GENERAL
Information
Patent Application
Wireless signal receiver
Publication number
20070229265
Publication date
Oct 4, 2007
Hitachi, Ltd
Daisuke Takeuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Program outputting method
Publication number
20030033390
Publication date
Feb 13, 2003
Hitachi, Seisakusho Corp., Ltd.
Kei Yonezawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electronic-money rewarding system for lost and found IC card
Publication number
20020125311
Publication date
Sep 12, 2002
Hitachi, Ltd.
Makoto Ijichi
G06 - COMPUTING CALCULATING COUNTING