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Ritsuo Machii
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Control of coordinate input apparatus based on light distribution a...
Patent number
9,377,897
Issue date
Jun 28, 2016
Canon Kabushiki Kaisha
Ritsuo Machii
G01 - MEASURING TESTING
Information
Patent Grant
Coordinate input apparatus
Patent number
9,063,618
Issue date
Jun 23, 2015
Canon Kabushiki Kaisha
Ritsuo Machii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Coordinate input apparatus
Patent number
8,982,102
Issue date
Mar 17, 2015
Canon Kabushiki Kaisha
Hirokuni Takano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Coordinate input apparatus
Patent number
8,941,622
Issue date
Jan 27, 2015
Canon Kabushiki Kaisha
Katsuyuki Kobayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rear projection type display apparatus
Patent number
7,864,436
Issue date
Jan 4, 2011
Canon Kabushiki Kaisha
Ritsuo Machii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination apparatus and projector
Patent number
6,089,730
Issue date
Jul 18, 2000
Canon Kabushiki Kaisha
Ritsuo Machii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thermal printer with biaxial motor feed of the carriage and ribbon
Patent number
5,169,247
Issue date
Dec 8, 1992
Canon Kabushiki Kaisha
Shinya Asano
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Dual use of ribbon sensor in a printing device
Patent number
5,152,625
Issue date
Oct 6, 1992
Canon Kabushiki Kaisha
Ritsuo Machii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
COORDINATE INPUT APPARATUS, HOUSING UNIT, CONTROL METHOD THEREOF, A...
Publication number
20140034807
Publication date
Feb 6, 2014
Canon Kabushiki Kaisha
Ritsuo Machii
G01 - MEASURING TESTING
Information
Patent Application
COORDINATE INPUT APPARATUS
Publication number
20130257814
Publication date
Oct 3, 2013
Canon Kabushiki Kaisha
Katsuyuki Kobayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COORDINATE INPUT APPARATUS
Publication number
20130234955
Publication date
Sep 12, 2013
Canon Kabushiki Kaisha
Hirokuni Takano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COORDINATE INPUT APPARATUS
Publication number
20110304535
Publication date
Dec 15, 2011
Canon Kabushiki Kaisha
Ritsuo Machii
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SPEAKER APPARATUS
Publication number
20100296686
Publication date
Nov 25, 2010
Canon Kabushiki Kaisha
Ritsuo Machii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REAR PROJECTION TYPE DISPLAY APPARATUS
Publication number
20080231932
Publication date
Sep 25, 2008
Canon Kabushiki Kaisha
Ritsuo Machii
H04 - ELECTRIC COMMUNICATION TECHNIQUE