Eiki Matsuo

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Nagano-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical apparatus
- Patent number 7,471,465
- Issue date Dec 30, 2008
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Grant
Actuator, optical apparatus using actuator, and method of manufactu...
- Patent number 7,423,824
- Issue date Sep 9, 2008
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 7,298,561
- Issue date Nov 20, 2007
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Grant
Optical lens adjusting device and adjusting method thereof
- Patent number 7,177,103
- Issue date Feb 13, 2007
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Grant
Projection-type display device
- Patent number 5,871,266
- Issue date Feb 16, 1999
- Nissho Giken Kabushiki Kaisha
- Masataka Negishi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ILLUMINATION IMAGING DEVICE AND GAZE DETECTING APPARATUS
- Publication number 20160063326
- Publication date Mar 3, 2016
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Application
OPTICAL APPARATUS
- Publication number 20080130128
- Publication date Jun 5, 2008
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE
- Publication number 20070206295
- Publication date Sep 6, 2007
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Application
Optical lens adjusting device and adjusting method thereof
- Publication number 20060028742
- Publication date Feb 9, 2006
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS
Information Patent Application
Actuator, optical apparatus using actuator, and method of manufactu...
- Publication number 20060028743
- Publication date Feb 9, 2006
- Alps Electric Co., Ltd.
- Tatsumaro Yamashita
- G02 - OPTICS