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Tadahiko Hirai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Active matrix organic electroluminescence display and its gradation...
Patent number
8,643,570
Issue date
Feb 4, 2014
Canon Kabushiki Kaisha
Kaoru Okamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Active-matrix display and drive method thereof
Patent number
8,228,271
Issue date
Jul 24, 2012
Canon Kabushiki Kaisha
Tadahiko Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Display apparatus and driving method of display apparatus
Patent number
8,179,343
Issue date
May 15, 2012
Canon Kabushiki Kaisha
Jun Sumioka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Resonance tag with temperature sensor
Patent number
8,043,000
Issue date
Oct 25, 2011
Canon Kabushiki Kaisha
Takayuki Sumida
G01 - MEASURING TESTING
Information
Patent Grant
Radio frequency tag
Patent number
7,817,043
Issue date
Oct 19, 2010
Canon Kabushiki Kaisha
Tadahiko Hirai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Light emitting element circuit and drive method thereof
Patent number
7,791,569
Issue date
Sep 7, 2010
Canon Kabushiki Kaisha
Tadahiko Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Resonance tag, method of reversibly changing resonance characterist...
Patent number
7,696,883
Issue date
Apr 13, 2010
Canon Kabushiki Kaisha
Takayuki Sumida
G08 - SIGNALLING
Information
Patent Grant
Dual-gate sensor
Patent number
7,696,530
Issue date
Apr 13, 2010
Canon Kabushiki Kaisha
Tetsushi Yamamoto
G01 - MEASURING TESTING
Information
Patent Grant
Resonance tag with temperature sensor
Patent number
7,607,829
Issue date
Oct 27, 2009
Canon Kabushiki Kaisha
Takayuki Sumida
G01 - MEASURING TESTING
Information
Patent Grant
Nonvolatile memory device
Patent number
7,359,230
Issue date
Apr 15, 2008
Canon Kabushiki Kaisha
Takayuki Sumida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit, operating method thereof, and IC...
Patent number
7,355,879
Issue date
Apr 8, 2008
Canon Kabushiki Kaisha
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Grant
Organic semiconductor device, RF modulation circuit, and IC card
Patent number
7,115,898
Issue date
Oct 3, 2006
Canon Kabushiki Kaisha
Tadahiko Hirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nonvolatile solid-state memory and method of driving the same
Patent number
6,724,651
Issue date
Apr 20, 2004
Canon Kabushiki Kaisha
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic memory device and manufacturing method thereof
Patent number
6,703,676
Issue date
Mar 9, 2004
Canon Kabushiki Kaisha
Tadahiko Hirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic material memory and information reproducing method of the...
Patent number
6,614,682
Issue date
Sep 2, 2003
Canon Kabushiki Kaisha
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic memory and information recording and reproducing method th...
Patent number
6,587,370
Issue date
Jul 1, 2003
Canon Kabushiki Kaisha
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile solid-state memory device using magnetoresistive effect...
Patent number
6,487,110
Issue date
Nov 26, 2002
Canon Kabushiki Kaisha
Naoki Nishimura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
ACTIVE-MATRIX DISPLAY AND DRIVE METHOD THEREOF
Publication number
20100073265
Publication date
Mar 25, 2010
Canon Kabushiki Kaisha
Tadahiko Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
RESONANCE TAG WITH TEMPERATURE SENSOR
Publication number
20100001745
Publication date
Jan 7, 2010
Canon Kabushiki Kaisha
Takayuki Sumida
G01 - MEASURING TESTING
Information
Patent Application
DISPLAY APPARATUS AND DRIVING METHOD OF DISPLAY APPARATUS
Publication number
20090002356
Publication date
Jan 1, 2009
Canon Kabushiki Kaisha
Jun Sumioka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
ACTIVE MATRIX ORGANIC ELECTROLUMINESCENCE DISPLAY AND ITS GRADATION...
Publication number
20090002281
Publication date
Jan 1, 2009
Canon Kabushiki Kaisha
Kaoru Okamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIGHT EMITTING ELEMENT CIRCUIT AND DRIVE METHOD THEREOF
Publication number
20080297056
Publication date
Dec 4, 2008
Canon Kabushiki Kaisha
Tadahiko Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
RESONANCE TAG WITH TEMPERATURE SENSOR
Publication number
20080259992
Publication date
Oct 23, 2008
Canon Kabushiki Kaisha
Takayuki Sumida
G01 - MEASURING TESTING
Information
Patent Application
Resonance Tag, Method of Reversibly Changing Resonance Characterist...
Publication number
20080088456
Publication date
Apr 17, 2008
Canon Kabushiki Kaisha
Takayuki Sumida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DUAL-GATE SENSOR
Publication number
20070295988
Publication date
Dec 27, 2007
Canon Kabushiki Kaisha
Tetsushi YAMAMOTO
G01 - MEASURING TESTING
Information
Patent Application
Semiconductor integrated circuit, operating method thereof, and ic...
Publication number
20060262589
Publication date
Nov 23, 2006
Canon Kabushiki Kaisha
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile memory device
Publication number
20060157772
Publication date
Jul 20, 2006
Canon Kabushiki Kaisha
Takayuki Sumida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method of reading information from RF tag and method of writing inf...
Publication number
20060132288
Publication date
Jun 22, 2006
Canon Kabushiki Kaisha
Tadahiko Hirai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Radio frequency tag
Publication number
20060125637
Publication date
Jun 15, 2006
Canon Kabushiki Kaisha
Tadahiko Hirai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Driving method of integrated circuit
Publication number
20060109264
Publication date
May 25, 2006
Cannon Kabushiki Kaisha
Tadahiko Hirai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Unauthorized access prevention method
Publication number
20060108416
Publication date
May 25, 2006
Canon Kabushiki Kaisha
Tadahiko Hirai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Organic semiconductor device and method of producing the same
Publication number
20050211977
Publication date
Sep 29, 2005
Canon Kabushiki Kaisha
Tadahiko Hirai
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Organic semiconductor device, rf modulation circuit, and ic card
Publication number
20050161664
Publication date
Jul 28, 2005
Canon Kabushiki Kaisha
Tadahiko Hirai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic material, memory and information reproducing method of the...
Publication number
20040042328
Publication date
Mar 4, 2004
Canon Kabushiki Kaisha
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic memory device and manufacturing method thereof
Publication number
20030080391
Publication date
May 1, 2003
Tadahiko Hirai
B82 - NANO-TECHNOLOGY
Information
Patent Application
Nonvolatile solid-state memory and method of driving the same
Publication number
20020145905
Publication date
Oct 10, 2002
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic material memory and information reproducing method of the...
Publication number
20020131296
Publication date
Sep 19, 2002
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic memory and information recording and reproducing method th...
Publication number
20020057594
Publication date
May 16, 2002
Tadahiko Hirai
G11 - INFORMATION STORAGE
Information
Patent Application
Nonvolatile solid-state memory devices and memory using magnetoresi...
Publication number
20020036917
Publication date
Mar 28, 2002
Naoki Nishimura
G11 - INFORMATION STORAGE