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Takahiko Matsuo
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Nagano, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Projection optical system and projector apparatus
Patent number
11,720,007
Issue date
Aug 8, 2023
NITTOH INC.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Grant
Projection optical system and projector
Patent number
10,884,326
Issue date
Jan 5, 2021
NITTOH INC.
Masashi Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection optical system and projector apparatus
Patent number
10,761,415
Issue date
Sep 1, 2020
NITTOH INC.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Grant
Projection lens barrel and projection display device
Patent number
10,754,120
Issue date
Aug 25, 2020
NITTOH INC.
Takafumi Hanaoka
G02 - OPTICS
Information
Patent Grant
Projection optical assembly and projector device
Patent number
10,754,239
Issue date
Aug 25, 2020
NITTOH INC.
Takahiko Matsuo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection optical system and projector
Patent number
10,645,353
Issue date
May 5, 2020
NITTOH INC.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Grant
Projection optical system and projector
Patent number
10,375,363
Issue date
Aug 6, 2019
NITTOH INC.
Takahiko Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical assembly and projector device
Patent number
10,310,366
Issue date
Jun 4, 2019
NITTOH INC.
Takahiko Matsuo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection lens barrel and projection display device
Patent number
10,222,576
Issue date
Mar 5, 2019
NITTOH INC.
Takafumi Hanaoka
G02 - OPTICS
Information
Patent Grant
Projection optical system and projector
Patent number
10,063,819
Issue date
Aug 28, 2018
NITTOH INC.
Takahiko Matsuo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projection optical system and projector apparatus
Patent number
9,785,043
Issue date
Oct 10, 2017
NITTOH INC.
Takahiko Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE-FORMING OPTICAL SYSTEM, PROJECTION DEVICE, AND IMAGING DEVICE
Publication number
20230305275
Publication date
Sep 28, 2023
Nittoh Inc.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Application
OPTICAL SYSTEM HAVING INTERMEDIATE IMAGE FORMED THEREIN
Publication number
20230213740
Publication date
Jul 6, 2023
NITTOH INC.
Takahiko MATSUO
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR APPARATUS
Publication number
20210124244
Publication date
Apr 29, 2021
Nittoh Inc.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20200241400
Publication date
Jul 30, 2020
NITTOH INC.
Masashi YOSHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20190313064
Publication date
Oct 10, 2019
NITTOH INC.
Takahiko MATSUO
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL ASSEMBLY AND PROJECTOR DEVICE
Publication number
20190243226
Publication date
Aug 8, 2019
NITTOH INC.
Takahiko MATSUO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTION LENS BARREL AND PROJECTION DISPLAY DEVICE
Publication number
20190154950
Publication date
May 23, 2019
NITTOH INC.
Takafumi HANAOKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL SYSTEM WITH LENS INCLUDING REGIONS WITH DIFFERENT CHARACTER...
Publication number
20190129152
Publication date
May 2, 2019
NITTOH INC.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20180332257
Publication date
Nov 15, 2018
NITTOH INC.
Takahiko MATSUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR APPARATUS
Publication number
20170363944
Publication date
Dec 21, 2017
NITTOH INC.
Takahiko Matsuo
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20170332057
Publication date
Nov 16, 2017
NITTOH INC.
Takahiko MATSUO
G02 - OPTICS
Information
Patent Application
PROJECTION LENS BARREL AND PROJECTION DISPLAY DEVICE
Publication number
20170235089
Publication date
Aug 17, 2017
NITTOH INC.
Takafumi HANAOKA
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL ASSEMBLY AND PROJECTOR DEVICE
Publication number
20160112685
Publication date
Apr 21, 2016
Takahiko Matsuo
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL ASSEMBLY AND PROJECTOR DEVICE
Publication number
20140204351
Publication date
Jul 24, 2014
Takahiko Matsuo
G02 - OPTICS