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Yasuyuki Shindoh
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Sendai, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image processing apparatus and image forming apparatus
Patent number
7,755,791
Issue date
Jul 13, 2010
Ricoh Company, Ltd.
Yutaka Maita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voltage-controlled oscillator including current control element
Patent number
6,271,730
Issue date
Aug 7, 2001
Ricoh Company, Ltd.
Hiroyuki Abe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Substrate biasing circuit and semiconductor integrated circuit device
Patent number
6,075,404
Issue date
Jun 13, 2000
Ricoh Company, Ltd.
Yasuyuki Shindoh
G05 - CONTROLLING REGULATING
Information
Patent Grant
High sensitivity improved photoelectric imaging device with a high...
Patent number
5,408,113
Issue date
Apr 18, 1995
Ricoh Company, Ltd.
Tohru Kanno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image sensor and optical reading unit using the same
Patent number
5,299,031
Issue date
Mar 29, 1994
Ricoh Company Ltd.
Yasuyuki Shindoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electrophotographic element with silicide treated porous Al.sub.2 O...
Patent number
4,792,510
Issue date
Dec 20, 1988
Ricoh Co., Ltd.
Masafumi Kumano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive material for electrophotography
Patent number
4,734,346
Issue date
Mar 29, 1988
Ricoh Co., Ltd.
Masafumi Kumano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Image processing apparatus and image forming apparatus
Publication number
20060227143
Publication date
Oct 12, 2006
Yutaka Maita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data transfer system, data transfer method, and image apparatus system
Publication number
20060114918
Publication date
Jun 1, 2006
Junichi Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming system
Publication number
20050254085
Publication date
Nov 17, 2005
Koji Oshikiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Imaging system and image processing apparatus
Publication number
20050248584
Publication date
Nov 10, 2005
Koji Takeo
G06 - COMPUTING CALCULATING COUNTING