Inventor

LIANG RONGGUANG

US74 patents

⚠️ This page may combine multiple inventors who share the name “LIANG RONGGUANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIANG RONGGUANG

CARESTREAM HEALTH INC

Method and apparatus for detection of caries

Intra-oral camera for diagnostic and cosmetic imaging

Method for detection of caries

Optical detection of dental caries

Apparatus for caries detection

Automated fundus imaging system

Apparatus for caries detection

Fundus camera having curved mirror objective

Apparatus for dental shade measurement

Fundus imaging system

Method and apparatus for detection of caries

Method and apparatus for detection of caries

Optical detection of dental caries

Radiation image scanning apparatus and method

Fundus camera for wide field of view and small pupil

Fundus camera having scanned illumination and pupil tracking

EASTMAN KODAK CO

Zoom flash with liquid crystal lens

Tiled projection display using spatial light modulators

Ring light guide

Method and system for fabricating optical film using an exposure source and reflecting surface

Monocentric autostereoscopic optical apparatus with a spherical gradient-index ball lens

Zoom flash with variable focus lens

Autostereoscopic optical apparatus for viewing a stereoscopic virtual image

Method and apparatus for forming an image on a curved diffusive surface

Apparatus and method for irradiating a substrate

Integrated scan module for a computer radiography input scanning system

Autostereoscopic display for multiple viewers

Autostereoscopic display for multiple viewers

Optical exposure apparatus and method for aligning a substrate

UNIV ARIZONA

Dual-view probe for illumination and imaging, and use thereof

Compact snapshot dual-mode interferometric system

Compact spectrometer devices, methods, and applications

All-reflective microscopy

Panoramic view attachment for colonoscopy systems

Reconfigurable polarization imaging system

Digital fringe projection and multi-spectral polarization imaging for rapid 3D reconstruction

Digital fringe projection and multi-spectral polarization imaging for rapid 3D reconstruction

Polarization and phase microscope

Phase-shifting diffraction phase interferometry

Ultralight very large aperture space telescope and methods using mode lenses and shims

Phase unwrapping using segmentation

LIANG RONGGUANG

Apparatus for dental surface shape and shade imaging

Apparatus for caries detection

Automatic tooth charting using digital images

Apparatus for caries detection

Apparatus for caries detection

3-D imaging using telecentric defocus

CARESTREAM DENTAL TECH TOPCO LTD

Apparatus for caries detection

CHEN SHOUPU

System and method for detecting tooth cracks via surface contour imaging

BURNS PETER D

System for early detection of dental caries