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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Projection optical system and projection apparatus
Patent number
11,409,191
Issue date
Aug 9, 2022
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system and projection apparatus that enlarge and...
Patent number
11,378,880
Issue date
Jul 5, 2022
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Grant
Projection optical system and projector
Patent number
11,181,722
Issue date
Nov 23, 2021
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Grant
Projection optical system and projector
Patent number
10,908,484
Issue date
Feb 2, 2021
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system and projection apparatus that enlarge and...
Patent number
10,845,695
Issue date
Nov 24, 2020
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Grant
Projection optical system and projector
Patent number
10,401,596
Issue date
Sep 3, 2019
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Grant
Wide angle projection optical system and apparatus with a short pro...
Patent number
10,317,786
Issue date
Jun 11, 2019
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system and projector
Patent number
10,168,602
Issue date
Jan 1, 2019
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Zoom lens, image sensing optical device and digital appliance
Patent number
9,019,620
Issue date
Apr 28, 2015
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
VARIABLE MAGNIFICATION PROJECTION OPTICAL SYSTEM AND PROJECTION APP...
Publication number
20220397748
Publication date
Dec 15, 2022
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20210286155
Publication date
Sep 16, 2021
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTION APPARATUS THAT ENLARGE AND...
Publication number
20210026229
Publication date
Jan 28, 2021
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTION APPARATUS
Publication number
20210003913
Publication date
Jan 7, 2021
Konica Minolta, Inc.
Atsuo Masui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTION APPARATUS
Publication number
20190250495
Publication date
Aug 15, 2019
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20190129285
Publication date
May 2, 2019
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTION APPARATUS
Publication number
20180307041
Publication date
Oct 25, 2018
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Application
PROJECTION OPTICAL SYSTEM AND PROJECTOR
Publication number
20180149951
Publication date
May 31, 2018
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Application
Projection Optical System and Projector
Publication number
20170153427
Publication date
Jun 1, 2017
Konica Minolta, Inc.
Atsuo MASUI
G02 - OPTICS
Information
Patent Application
Zoom Lens, Image Sensing Optical Device and Digital Appliance
Publication number
20150054989
Publication date
Feb 26, 2015
Konica Minolta, Inc.
Atsuo Masui
G02 - OPTICS
Information
Patent Application
Projection Lens System Having Variable Magnification
Publication number
20130188155
Publication date
Jul 25, 2013
Atsuo MASUI
G02 - OPTICS