Membership
Tour
Register
Log in
Koichi Ejiri
Follow
Person
Chiba, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
System and method for displaying an image indicating a positional r...
Patent number
8,681,228
Issue date
Mar 25, 2014
Ricoh Company, Ltd.
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for displaying an image indicating a positional r...
Patent number
7,529,430
Issue date
May 5, 2009
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for displaying an image indicating a positional r...
Patent number
7,298,919
Issue date
Nov 20, 2007
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for simulating stereographic vision
Patent number
7,271,803
Issue date
Sep 18, 2007
Ricoh Company, Ltd.
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector with adjustably positioned image plate
Patent number
7,182,464
Issue date
Feb 27, 2007
Ricoh Company, Ltd.
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data sheet and information management system using data sheet
Patent number
6,948,654
Issue date
Sep 27, 2005
Ricoh Company, Ltd.
Reiju Shioda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Projector with adjustably positioned image plate
Patent number
6,830,341
Issue date
Dec 14, 2004
Ricoh Co., Ltd.
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for displaying an image indicating a positional r...
Patent number
6,798,924
Issue date
Sep 28, 2004
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data sheet and information management system using data sheet
Patent number
6,634,559
Issue date
Oct 21, 2003
Ricoh Company, Ltd.
Reiju Shioda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Projector with adjustably positioned image plate
Patent number
6,609,797
Issue date
Aug 26, 2003
Ricoh Co., Ltd.
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for detecting inverted text images on a digital scanning device
Patent number
6,574,375
Issue date
Jun 3, 2003
Ricoh Company, Ltd.
John F. Cullen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for displaying an image indicating a positional r...
Patent number
6,466,701
Issue date
Oct 15, 2002
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and a system for correcting distortion aberrations in high r...
Patent number
6,366,360
Issue date
Apr 2, 2002
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Projector with adjustably positioned image plate
Patent number
6,361,171
Issue date
Mar 26, 2002
Ricoh Company, Ltd.
Koichi Ejiri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and system for generating a composite image from partially o...
Patent number
6,104,840
Issue date
Aug 15, 2000
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Skew detection and correction of a document image representation
Patent number
5,854,854
Issue date
Dec 29, 1998
Ricoh Corporation
John F. Cullen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for expansion of white space in document image...
Patent number
5,592,574
Issue date
Jan 7, 1997
Ricoh Company Ltd.
Jeff K. Chilton
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for detection of a skew angle of a document im...
Patent number
5,563,403
Issue date
Oct 8, 1996
Ricoh Co., Ltd.
Goroh Bessho
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Segmentation of text, picture and lines of a document image
Patent number
5,465,304
Issue date
Nov 7, 1995
Ricoh Corporation
John F. Cullen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Skew detection and correction of a document image representation
Patent number
5,452,374
Issue date
Sep 19, 1995
Ricoh Corporation
John F. Cullen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Segmentation of text, picture and lines of a document image
Patent number
5,335,290
Issue date
Aug 2, 1994
Ricoh Corporation
John F. Cullen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of assigning direction code to boundary picture element in c...
Patent number
4,524,454
Issue date
Jun 18, 1985
Ricoh Company, Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Picture deforming process
Patent number
4,381,547
Issue date
Apr 26, 1983
Ricoh Co., Ltd.
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Picture transfer method and apparatus therefor
Patent number
4,366,506
Issue date
Dec 28, 1982
Kabushiki Kaisha Ricoh
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of restoring a picture cell by estimation with high density
Patent number
4,360,883
Issue date
Nov 23, 1982
Ricoh Co., Ltd.
Koichi Ejiri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of restoring a picture cell by estimation with high density
Patent number
4,356,555
Issue date
Oct 26, 1982
Ricoh Co., Ltd.
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital copying machine
Patent number
4,271,436
Issue date
Jun 2, 1981
Ricoh Co., Ltd.
Morio Kurose
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR DISPLAYING AN IMAGE INDICATING A POSITIONAL R...
Publication number
20090185054
Publication date
Jul 23, 2009
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR DISPLAYING AN IMAGE INDICATING A POSITIONAL R...
Publication number
20070122059
Publication date
May 31, 2007
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Projector with adjustably positioned image plate
Publication number
20050062940
Publication date
Mar 24, 2005
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for displaying an image indicating a positional r...
Publication number
20040218833
Publication date
Nov 4, 2004
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data sheet and information management system using data sheet
Publication number
20040035921
Publication date
Feb 26, 2004
Reiju Shioda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for simulating stereographic vision
Publication number
20040032407
Publication date
Feb 19, 2004
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for displaying an image indicating a positional r...
Publication number
20030002750
Publication date
Jan 2, 2003
Koichi Ejiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Projector with adjustably positioned image plate
Publication number
20020089651
Publication date
Jul 11, 2002
Koichi Ejiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data sheet and information management system using data sheet
Publication number
20010054648
Publication date
Dec 27, 2001
Ricoh Company, Ltd.
Reiju Shioda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND A SYSTEM FOR CORRECTING DISTORTED ABERRATIONS IN HIGH-RE...
Publication number
20010014180
Publication date
Aug 16, 2001
KOICHI EJIRI
G06 - COMPUTING CALCULATING COUNTING