Inventor

DEMPEWOLF JOSEPH R

US9 patents

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

LIGHTCHIP INC

5 patents

US6011885AJan 4, 2000

Integrated bi-directional gradient refractive index wavelength division multiplexer

LIGHTCHIP INC87 citations97

US6011884AJan 4, 2000

Integrated bi-directional axial gradient refractive index/diffraction grating wavelength division multiplexer

LIGHTCHIP INC102 citations96

US6137933AOct 24, 2000

Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer

LIGHTCHIP INC84 citations95

US6343169B1Jan 29, 2002

Ultra-dense wavelength division multiplexing/demultiplexing device

LIGHTCHIP INC10 citations73

US6480648B1Nov 12, 2002

Technique for detecting the status of WDM optical signals

LIGHTCHIP INC2 citations57

LIGHTPATH TECH INC

2 patents

US5796525AAug 18, 1998

Quadaxial gradient index lens

LIGHTPATH TECH INC24 citations92

US5815318ASep 29, 1998

Axially-graded index-based couplers

LIGHTPATH TECH INC11 citations73

LIGHT CHIP INC

1 patent

US5999672ADec 7, 1999

Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer

LIGHT CHIP INC128 citations97

CONFLUENT PHOTONICS CORP

1 patent

US6591040B1Jul 8, 2003

Ultra-dense wavelength division multiplexing/demultiplexing devices

CONFLUENT PHOTONICS CORP20 citations92