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Ryuichi Tsuji
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Shiojiri-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Printing apparatus
Patent number
12,090,770
Issue date
Sep 17, 2024
Seiko Epson Corporation
Ryuichi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Request arbitration apparatus and request arbitration method
Patent number
8,356,129
Issue date
Jan 15, 2013
Seiko Epson Corporation
Ryuichi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal synchronization method and signal synchronization circuit
Patent number
8,151,131
Issue date
Apr 3, 2012
Seiko Epson Corporation
Ryuichi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ink jet apparatus, recording head apparatus, and semiconductor devi...
Patent number
7,396,115
Issue date
Jul 8, 2008
Seiko Epson Corporation
Ryuichi Tsuji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording apparatus semiconductor device and recording head...
Patent number
7,093,927
Issue date
Aug 22, 2006
Seiko Epson Corporation
Ryuichi Tsuji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Recording apparatus, semiconductor device, and recording head device
Patent number
6,862,652
Issue date
Mar 1, 2005
Seiko Epson Corporation
Ryuichi Tsuji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-jet recorder, semiconductor device, and recording head device
Patent number
6,494,559
Issue date
Dec 17, 2002
Seiko Epson Corporation
Ryuichi Tsuji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
PRINTING APPARATUS
Publication number
20230068509
Publication date
Mar 2, 2023
SEIKO EPSON CORPORATION
Ryuichi TSUJI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20120218573
Publication date
Aug 30, 2012
SEIKO EPSON CORPORATION
Shuji Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REQUEST ARBITRATION APPARATUS AND REQUEST ARBITRATION METHOD
Publication number
20100057963
Publication date
Mar 4, 2010
SEIKO EPSON CORPORATION
Ryuichi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SIGNAL SYNCHRONIZATION METHOD AND SIGNAL SYNCHRONIZATION CIRCUIT
Publication number
20100023792
Publication date
Jan 28, 2010
SEIKO EPSON CORPORATION
Ryuichi Tsuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MULTI-PROCESSOR SYSTEM AND FLUID EJECTING APPARATUS HAVING THE SAME
Publication number
20100005201
Publication date
Jan 7, 2010
SEIKO EPSON CORPORATION
Shuji Otsuka
G06 - COMPUTING CALCULATING COUNTING