Inventor

ZHU NINGHUI

US9 patents

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

BLOCK ENG LLC

3 patents

US10031077B2Jul 24, 2018

CONFLUENT PHOTONICS CORP

2 patents

US6741408B2May 25, 2004

Thermally stable mounting for a diffraction grating device

CONFLUENT PHOTONICS CORP15 citations79

US6844992B2Jan 18, 2005

Opto-mechanical platform

CONFLUENT PHOTONICS CORP4 citations57

LIGHTCHIP INC

1 patent

US6449097B1Sep 10, 2002

Diffraction grating for wavelength division multiplexing/demultiplexing devices

LIGHTCHIP INC86 citations96

BLOCK ENGINEERING LLC

1 patent

US9329085B2May 3, 2016

QCL spectroscopy system and applications therefor

BLOCK ENGINEERING LLC11 citations88

KOTIDIS PETROS

1 patent

US8780347B2Jul 15, 2014

QCL spectroscopy system and applications therefor

KOTIDIS PETROS17 citations88

EM4 INC

1 patent

US7309175B1Dec 18, 2007

Reducing heating from non-coupled light in power transmitting optical fibers

EM4 INC12 citations79