Inventor · Taipei, TW

Chih-Yi Yang

22Patents
4h-index
14Co-inventors
56Inventor score

Filing activity: Mar 13, 2007 → Jan 14, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7853137B2 Fixing structure for an auxiliary lens of cameras Physics 34 Active
US7821569B2 Converter lens attachment with built-in light source for compact digital camera Electricity 11 Active
US9081175B2 Fluorescence observation device, domed base and fluorescence microscope provided with multiple light sources having different illumination angles Physics 6 Active
US8224175B2 Photographic apparatus having ring light module Physics 5 Active
US8594495B2 Short-range photographic light source module for use in image capture device and image capture device provided with same Physics 3 Active
US7843646B2 Switchable magnification lens and photographic apparatus having the same Physics 2 Active
US8434900B2 Ring-shaped illuminating apparatus with variable projection angle Physics 2 Active
US8454200B2 Ring light apparatus with variable projection angle Physics 2 Active
US10295887B2 Low-glare fluorescent-powder LED light device and imaging device comprising the same Electricity 2 Active
US7701569B2 Dark field lighting testing device Physics 1 Active
US8941934B2 Lens connection module and connection adapter for same Physics 1 Active
US7327526B1 Buffer structure of contact type lens and contact type lens having buffer structure Physics 1 Active
US7736074B2 Cartridge type attachment lens for a digital camera Electricity 0 Active
US8860877B2 Short-range light source device for image pick-up apparatus and image pick-up apparatus provided with same Physics 0 Active
US7612945B2 Pyramidal microlens and camera lens structure using the same Physics 0 Active
US10912948B2 Composite intelligent biological phototherapy device Human Necessities 0 Active
US8404552B2 Microscopic spectrum apparatus Physics 0 Active
US11921404B2 Intelligent long-distance infrared fill-light set Emerging Cross-Sectional Technologies 0 Active
US11257687B2 Method for repairing etching damage on nitride-based epitaxial layer of optoelectronic device and optoelectronic device attributable thereto Electricity 0 Active
US10608531B2 Precision control device for regulating a DC load, and electrical assembly comprising the control device Emerging Cross-Sectional Technologies 0 Active
US9568721B2 Fluorescent biological sample operating and monitoring system Physics 0 Active
US8746906B2 Light source module for macro photography Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.