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Keiichi Iwasaki
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Suita, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Spread spectrum clock generator, electronic apparatus, and spread s...
Patent number
9,813,068
Issue date
Nov 7, 2017
Ricoh Company, Ltd.
Keiichi Iwasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Memory control device and a delay controller
Patent number
9,396,789
Issue date
Jul 19, 2016
Ricoh Company, Ltd.
Keiichi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Memory control apparatus and mask timing adjusting method
Patent number
8,432,754
Issue date
Apr 30, 2013
Ricoh Company, Ltd.
Keiichi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information processor configured to detect available space in a sto...
Patent number
7,698,484
Issue date
Apr 13, 2010
Ricoh Co., Ltd.
Junichi Ikeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High speed serial switch fabric performing mapping of traffic class...
Patent number
7,664,904
Issue date
Feb 16, 2010
Ricoh Company, Limited
Koji Oshikiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory control device
Patent number
7,518,946
Issue date
Apr 14, 2009
Ricoh Company, Ltd.
Keiichi Iwasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Jitter and skew suppressing delay control apparatus
Patent number
7,161,854
Issue date
Jan 9, 2007
Ricoh Company, Ltd.
Keiichi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Image display control device, method and computer program product
Patent number
5,870,074
Issue date
Feb 9, 1999
Ricoh Company, Ltd.
Keiichi Iwasaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image display control device, method and computer program product
Patent number
5,828,384
Issue date
Oct 27, 1998
Ricoh Company, Ltd.
Keiichi Iwasaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Phase-locked loop with memory storing control data controlling the...
Patent number
5,355,098
Issue date
Oct 11, 1994
Ricoh Company, Ltd.
Keiichi Iwasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Image forming apparatus
Patent number
5,107,278
Issue date
Apr 21, 1992
Ricoh Company, Ltd.
Kazuyuki Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Recording apparatus having control data selectively designated in m...
Patent number
5,019,913
Issue date
May 28, 1991
Ricoh Company, Ltd.
Yukitoshi Kiya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus
Patent number
4,977,414
Issue date
Dec 11, 1990
Ricoh Company, Ltd.
Kazuyuki Shimada
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
SPREAD SPECTRUM CLOCK GENERATOR, ELECTRONIC APPARATUS, AND SPREAD S...
Publication number
20160099719
Publication date
Apr 7, 2016
RICOH COMPANY, LTD.
Keiichi IWASAKI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MEMORY CONTROL DEVICE AND A DELAY CONTROLLER
Publication number
20160035408
Publication date
Feb 4, 2016
Keiichi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-R...
Publication number
20150235349
Publication date
Aug 20, 2015
RICOH COMPANY, LTD.
Hiroyuki MORITA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROL DEVICE AND A DELAY CONTROLLER
Publication number
20140362653
Publication date
Dec 11, 2014
Keiichi Iwasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY CONTROL APPARATUS AND MASK TIMING ADJUSTING METHOD
Publication number
20110228619
Publication date
Sep 22, 2011
Keiichi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
MEMORY CONTROL DEVICE
Publication number
20080225629
Publication date
Sep 18, 2008
Keiichi Iwasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...
Publication number
20070211746
Publication date
Sep 13, 2007
Koji Oshikiri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information processor
Publication number
20070067551
Publication date
Mar 22, 2007
Junichi Ikeda
G06 - COMPUTING CALCULATING COUNTING