Tetsuo Sato

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Colored optical fiber and evaluation method thereof
- Patent number 7,551,825
- Issue date Jun 23, 2009
- The Furukawa Electric Co., Ltd.
- Yasuo Nakajima
- G01 - MEASURING TESTING
Information Patent Grant
Lamp, condensing optical system, and image display device
- Patent number 7,178,922
- Issue date Feb 20, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 6,787,904
- Issue date Sep 7, 2004
- Renesas Technology Corp.
- Satoshi Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER
- Publication number 20110059236
- Publication date Mar 10, 2011
- FURUKAWA ELECTRIC CO., LTD.
- Keisuke UI
- G02 - OPTICS
Information Patent Application
Unit Optical Fiber
- Publication number 20090123749
- Publication date May 14, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Keisuke Ui
- G02 - OPTICS
Information Patent Application
Lamp, condensing optical system, and image display device
- Publication number 20050243572
- Publication date Nov 3, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lamp polarization converting optical system, and image display system
- Publication number 20040252512
- Publication date Dec 16, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Akira Sekiguchi
- G02 - OPTICS
Information Patent Application
Semiconductor integrated circuit device
- Publication number 20030218248
- Publication date Nov 27, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Satoshi Koyama
- H01 - BASIC ELECTRIC ELEMENTS