Chin-Tsai Chen

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Taipei County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Light guiding device for led lamp
- Patent number D634467
- Issue date Mar 15, 2011
- Yi-Jin Industrial Co., Ltd.
- Chin-Yi Chen
- D26 - Lighting
Information Patent Grant
Lampshade
- Patent number D629153
- Issue date Dec 14, 2010
- Yi-Jin Industrial Co., Ltd.
- Chin-Yi Chen
- D26 - Lighting
Information Patent Grant
Rectangular lampshade
- Patent number D612977
- Issue date Mar 30, 2010
- Yi-Jin Industrial Co., Ltd.
- Chin-Yi Chen
- D26 - Lighting
Information Patent Grant
Lampshade
- Patent number D611649
- Issue date Mar 9, 2010
- Yi-Jin Industrial Co., Ltd.
- Chin-Yi Chen
- D26 - Lighting
Information Patent Grant
Lampshade
- Patent number D607144
- Issue date Dec 29, 2009
- Yi-Jin Industrial Co., Ltd.
- Chin-Yi Chen
- D26 - Lighting

Patents Applicationslast 30 patents

Information Patent Application
LED bulb and lamp holder thereof
- Publication number 20100283369
- Publication date Nov 11, 2010
- YI-JIN INDUSTRIAL CO., LTD.
- Chin-Yi Chen
- F21 - LIGHTING
Information Patent Application
Threaded fastener for use within multiple substrates
- Publication number 20040101381
- Publication date May 27, 2004
- ILLINOIS TOOL WORKS INC.
- Guenther Reinhard Kram
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Multi-mate fastener
- Publication number 20030031528
- Publication date Feb 13, 2003
- Guenther Reinhard Kram
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...