Yohei KATSUMATA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light source device and projection display apparatus
- Patent number 10,845,578
- Issue date Nov 24, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Manabu Okuno
- G02 - OPTICS
Information Patent Grant
Projection image display apparatus for reducing unnecessary light i...
- Patent number 10,136,113
- Issue date Nov 20, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yohei Katsumata
- G02 - OPTICS
Information Patent Grant
Phosphor wheel device and projector-type image display apparatus
- Patent number 10,036,944
- Issue date Jul 31, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yohei Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device and projection type display apparatus employing...
- Patent number 9,255,691
- Issue date Feb 9, 2016
- Panasonic Intellectual Property Management, Co., Ltd.
- Atsushi Motoya
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION DISPLAY APPARATUS
- Publication number 20200249449
- Publication date Aug 6, 2020
- Panasonic Intellectual Property Management Co., Ltd.
- Manabu OKUNO
- G02 - OPTICS
Information Patent Application
PHOSPHOR WHEEL DEVICE AND PROJECTOR-TYPE IMAGE DISPLAY APPARATUS
- Publication number 20170269463
- Publication date Sep 21, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Yohei KATSUMATA
- G02 - OPTICS
Information Patent Application
PROJECTION IMAGE DISPLAY APPARATUS
- Publication number 20170208302
- Publication date Jul 20, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- YOHEI KATSUMATA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS EMPLOYING...
- Publication number 20130286359
- Publication date Oct 31, 2013
- PANASONIC CORPORATION
- Atsushi MOTOYA
- F21 - LIGHTING