Keiji Yuyama

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projector
- Patent number D870798
- Issue date Dec 24, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Keiji Yuyama
- D16 - Photography and optical equipment
Information Patent Grant
Projector
- Patent number D775681
- Issue date Jan 3, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Keiji Yuyama
- D16 - Photography and optical equipment
Information Patent Grant
Projector
- Patent number D730427
- Issue date May 26, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Ippei Ohashi
- D16 - Photography and optical equipment
Information Patent Grant
Projector
- Patent number D727999
- Issue date Apr 28, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Keiji Yuyama
- D16 - Photography and optical equipment
Information Patent Grant
Remote controller for projector
- Patent number D710331
- Issue date Aug 5, 2014
- Panasonic Corporation
- Keiji Yuyama
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Projector
- Patent number D688724
- Issue date Aug 27, 2013
- Panasonic Corporation
- Takashi Tsukahara
- D16 - Photography and optical equipment