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Takashi Wakana
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Belt drive apparatus and image forming apparatus
Patent number
8,538,304
Issue date
Sep 17, 2013
Oki Data Corporation
Takashi Wakana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,272,635
Issue date
Sep 25, 2012
Oki Data Corporation
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Medium transportation apparatus and image forming apparatus having...
Patent number
8,096,551
Issue date
Jan 17, 2012
Oki Data Corporation
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Developer cartridge and image forming apparatus
Patent number
7,103,308
Issue date
Sep 5, 2006
Oki Data Corporation
Takashi Wakana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Belt driving apparatus
Patent number
6,733,407
Issue date
May 11, 2004
Oki Data Corporation
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Belt unit and apparatus to which belt unit is attached
Patent number
6,522,848
Issue date
Feb 18, 2003
Oki Data Corporation
Takashi Wakana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having a printhead guide mechanism
Patent number
6,252,619
Issue date
Jun 26, 2001
Oki Data Corporation
Hidenori Ueda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge and toner collecting mechanism
Patent number
6,021,292
Issue date
Feb 1, 2000
Oki Data Corporation
Shigeki Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Paper feeding mechanism
Patent number
5,975,518
Issue date
Nov 2, 1999
Oki Data Corporation
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Overheating prevention device for a fixing unit
Patent number
5,737,664
Issue date
Apr 7, 1998
Oki Electric Industry Co., Ltd.
Masahiro Fukuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
BELT DRIVE APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20110116847
Publication date
May 19, 2011
Oki Data Corporation
Takashi WAKANA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20100084805
Publication date
Apr 8, 2010
Oki Data Corporation
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Medium transportation apparatus and image forming apparatus having...
Publication number
20090325752
Publication date
Dec 31, 2009
Oki Data Corporation
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Developer cartridge and image forming apparatus
Publication number
20050220515
Publication date
Oct 6, 2005
Takashi Wakana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Belt driving apparatus
Publication number
20020046932
Publication date
Apr 25, 2002
Takashi Wakana
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Belt unit and apparatus to which belt unit is attached
Publication number
20020021916
Publication date
Feb 21, 2002
Oki Data Corporation
Takashi Wakana
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY