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Masafumi NAGAO
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Position detection device, image display device and image display s...
Patent number
10,496,221
Issue date
Dec 3, 2019
Ricoh Company, Ltd.
Yoshiaki Oshima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Coordinate detecting apparatus, system, and coordinate detecting me...
Patent number
10,180,759
Issue date
Jan 15, 2019
Ricoh Company, Ltd.
Seiko Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Projector, interactive system, and interactive control method
Patent number
9,946,363
Issue date
Apr 17, 2018
Ricoh Company, Limited
Masafumi Nagao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image projection apparatus, and system employing interactive input-...
Patent number
9,778,763
Issue date
Oct 3, 2017
Ricoh Company, Ltd.
Masafumi Nagao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Document management apparatus and document management system
Patent number
9,338,313
Issue date
May 10, 2016
Ricoh Company, Limited
Daisuke Noguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing apparatus and information processing method
Patent number
9,015,695
Issue date
Apr 21, 2015
Ricoh Company, Limited
Masafumi Nagao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing apparatus, information processing method, an...
Patent number
8,893,107
Issue date
Nov 18, 2014
Ricoh Company, Ltd.
Masafumi Nagao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing apparatus and image processing system having a fun...
Patent number
8,780,376
Issue date
Jul 15, 2014
Ricoh Company, Ltd.
Reiji Yukumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing system and apparatus for storing job information u...
Patent number
8,760,688
Issue date
Jun 24, 2014
Ricoh Company, Ltd.
Masafumi Nagao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus, image processing system, facsimile tran...
Patent number
8,681,389
Issue date
Mar 25, 2014
Ricoh Company, Limited
Masafumi Nagao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
POSITION DETECTION DEVICE, IMAGE DISPLAY DEVICE AND IMAGE DISPLAY S...
Publication number
20180275819
Publication date
Sep 27, 2018
Yoshiaki OSHIMA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COORDINATE DETECTING APPARATUS, SYSTEM, AND COORDINATE DETECTING ME...
Publication number
20170177164
Publication date
Jun 22, 2017
Seiko YAMAMOTO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROJECTION APPARATUS, AND SYSTEM EMPLOYING INTERACTIVE INPUT-...
Publication number
20160191875
Publication date
Jun 30, 2016
Masafumi NAGAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROJECTION APPARATUS, AND SYSTEM EMPLOYING INTERACTIVE INPUT-...
Publication number
20160162050
Publication date
Jun 9, 2016
Masafumi NAGAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PROJECTOR, INTERACTIVE SYSTEM, AND INTERACTIVE CONTROL METHOD
Publication number
20160018905
Publication date
Jan 21, 2016
RICOH COMPANY, LIMITED
Masafumi NAGAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PROJECTOR DEVICE, INTERACTIVE SYSTEM, AND INTERACTIVE CONTROL METHOD
Publication number
20160004337
Publication date
Jan 7, 2016
RICOH COMPANY, LIMITED
Masafumi NAGAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING APPARATUS, IMAGE PROJECTING APPARATUS, AND M...
Publication number
20150138512
Publication date
May 21, 2015
RICOH COMPANY, LIMITED
Masafumi NAGAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD
Publication number
20140189674
Publication date
Jul 3, 2014
Masafumi NAGAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
Publication number
20130179871
Publication date
Jul 11, 2013
Masafumi NAGAO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING APPARATUS AND METHOD
Publication number
20120221947
Publication date
Aug 30, 2012
Ricoh Company, Ltd.
Reiji YUKUMOTO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING DEVICE, AND R...
Publication number
20120215828
Publication date
Aug 23, 2012
RICOH COMAPNY, LTD.
Osamu TORII
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DOCUMENT MANAGEMENT APPARATUS AND DOCUMENT MANAGEMENT SYSTEM
Publication number
20120215883
Publication date
Aug 23, 2012
Daisuke NOGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING SYSTEM
Publication number
20120133970
Publication date
May 31, 2012
RICOH COMPANY, LTD.
Reiji Yukumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus, image processing system, facsimile tran...
Publication number
20110317223
Publication date
Dec 29, 2011
RICOH COMPANY, LIMITED
Masafumi Nagao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing system and image processing apparatus
Publication number
20110299108
Publication date
Dec 8, 2011
RICOH COMPANY, LTD.
Masafumi Nagao
H04 - ELECTRIC COMMUNICATION TECHNIQUE