Kazumi Wada

Person

Cambridge, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Amorphous germanium waveguides for spectroscopic sensing and data c...
- Patent number 11,604,147
- Issue date Mar 14, 2023
- Massachusetts Institute of Technology
- Eveline Postelnicu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Amorphous germanium waveguides for spectroscopic sensing and data c...
- Patent number 11,204,327
- Issue date Dec 21, 2021
- Massachusetts Institute of Technology
- Eveline Postelnicu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Simultaneous electrical and optical connections for flip chip assembly
- Patent number 11,067,754
- Issue date Jul 20, 2021
- Massachusetts Institute of Technology
- Lionel C. Kimerling
- G02 - OPTICS
Information Patent Grant
Methods and apparatus for spectral imaging
- Patent number 10,571,335
- Issue date Feb 25, 2020
- Massachusetts Institute of Technology
- Juejun Hu
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for spectral imaging
- Patent number 10,240,980
- Issue date Mar 26, 2019
- Massachusetts Institute of Technology
- Juejun Hu
- G01 - MEASURING TESTING
Information Patent Grant
Optical device comprising crystalline semiconductor layer and refle...
- Patent number 7,812,423
- Issue date Oct 12, 2010
- Massachusetts Institute of Technology
- Felix Jan Grawert
- G02 - OPTICS
Information Patent Grant
On-chip optical amplifier
- Patent number 7,787,176
- Issue date Aug 31, 2010
- Massachusetts Institute of Technology
- Lionel C. Kimerling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ge photodetectors
- Patent number 7,723,754
- Issue date May 25, 2010
- Massachusetts Institute of Technology
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Optical grating coupler
- Patent number 7,715,676
- Issue date May 11, 2010
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Grant
Three dimensional high index optical waveguides bends and splitters
- Patent number 7,352,934
- Issue date Apr 1, 2008
- Massachusetts Institute of Technology
- Desmond R. Lim
- G02 - OPTICS
Information Patent Grant
Photonic bandgap modulator, amplifier, demux, and TDM devices
- Patent number 7,310,454
- Issue date Dec 18, 2007
- Massachusetts Institute of Technology
- Shoji Akiyama
- G02 - OPTICS
Information Patent Grant
Anti-reflection coating for the pass-band of photonic bandgap crystal
- Patent number 7,251,402
- Issue date Jul 31, 2007
- Massachusetts Institute of Technology
- Shoji Akiyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally and electrically conducting high index contrast multi-lay...
- Patent number 7,238,412
- Issue date Jul 3, 2007
- Massachusetts Institute of Technology
- Desmond R. Lim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light modulation using the Franz-Keldysh effect
- Patent number 7,239,762
- Issue date Jul 3, 2007
- Massachusetts Institute of Technology
- Lionel C. Kimerling
- G02 - OPTICS
Information Patent Grant
Process for fabrication of high reflectors by reversal of layer seq...
- Patent number 7,190,524
- Issue date Mar 13, 2007
- Massachusetts Institute of Technology
- Felix Jan Grawert
- G02 - OPTICS
Information Patent Grant
Optical grating coupler
- Patent number 7,146,074
- Issue date Dec 5, 2006
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Grant
Multiple oxidation smoothing method for reducing silicon waveguide...
- Patent number 7,123,805
- Issue date Oct 17, 2006
- Massachusetts Institute of Technology
- Daniel K. Sparacin
- G02 - OPTICS
Information Patent Grant
Vertically and laterally confined 3D optical coupler
- Patent number 7,120,335
- Issue date Oct 10, 2006
- Massachusetts Institute of Technology
- Anuradha M. Agarwal
- G02 - OPTICS
Information Patent Grant
High density integrated optical chip
- Patent number 7,103,245
- Issue date Sep 5, 2006
- Massachusetts Institute of Technology
- Kevin K. Lee
- G02 - OPTICS
Information Patent Grant
Optical grating coupler
- Patent number 7,065,271
- Issue date Jun 20, 2006
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Grant
Array waveguide grating
- Patent number 7,043,120
- Issue date May 9, 2006
- Massachusetts Institute of Technology
- Kazumi Wada
- G02 - OPTICS
Information Patent Grant
Optical waveguide Y-branch splitter
- Patent number 7,006,734
- Issue date Feb 28, 2006
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Grant
Method of forming GE photodetectors
- Patent number 6,946,318
- Issue date Sep 20, 2005
- Massachusetts Institute of Technology
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Waveguide-to-semiconductor device coupler
- Patent number 6,944,368
- Issue date Sep 13, 2005
- Massachusetts Institute of Technology
- Lionel C. Kimerling
- G02 - OPTICS
Information Patent Grant
Method of efficient carrier generation in silicon waveguide systems...
- Patent number 6,904,187
- Issue date Jun 7, 2005
- Massachusetts Institute of Technology
- Jan-Malte Fischer
- G02 - OPTICS
Information Patent Grant
Low voltage tunable photonic crystal with large defects as waveleng...
- Patent number 6,859,321
- Issue date Feb 22, 2005
- Massachusetts Institute of Technology
- Lionel C. Kimerling
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Low-loss waveguide and method of making same
- Patent number 6,850,683
- Issue date Feb 1, 2005
- Massachusetts Institute of Technology
- Kevin K. Lee
- G02 - OPTICS
Information Patent Grant
Interleavers for AWGs
- Patent number 6,832,027
- Issue date Dec 14, 2004
- Massachusetts Institute of Technology
- Kazumi Wada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ge photodetectors
- Patent number 6,812,495
- Issue date Nov 2, 2004
- Massachusetts Institute of Technology
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Back reflector of solar cells
- Patent number 6,750,393
- Issue date Jun 15, 2004
- Massachusetts Institute of Technology
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
AMORPHOUS GERMANIUM WAVEGUIDES FOR SPECTROSCOPIC SENSING AND DATA C...
- Publication number 20220065793
- Publication date Mar 3, 2022
- Massachusetts Institute of Technology
- Eveline Postelnicu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Simultaneous Electrical and Optical Connections for Flip Chip Assembly
- Publication number 20210109290
- Publication date Apr 15, 2021
- Lionel C. KIMERLING
- G02 - OPTICS
Information Patent Application
AMORPHOUS GERMANIUM WAVEGUIDES FOR SPECTROSCOPIC SENSING AND DATA C...
- Publication number 20200158651
- Publication date May 21, 2020
- Eveline Postelnicu
- G01 - MEASURING TESTING
Information Patent Application
Methods and Apparatus for Spectral Imaging
- Publication number 20190285473
- Publication date Sep 19, 2019
- Massachusetts Institute of Technology
- Juejun Hu
- G01 - MEASURING TESTING
Information Patent Application
Methods and Apparatus for Spectral Imaging
- Publication number 20170299434
- Publication date Oct 19, 2017
- Juejun Hu
- G01 - MEASURING TESTING
Information Patent Application
Method and Structure of Strain Control of Sige Based Photodetectors...
- Publication number 20070286952
- Publication date Dec 13, 2007
- Jifeng Liu
- C30 - CRYSTAL GROWTH
Information Patent Application
Anti-reflection coating for the pass-band of photonic bandgap crystal
- Publication number 20070053651
- Publication date Mar 8, 2007
- Shoji Akiyama
- G02 - OPTICS
Information Patent Application
Optical grating coupler
- Publication number 20060233505
- Publication date Oct 19, 2006
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Application
Ge photodetectors
- Publication number 20060022226
- Publication date Feb 2, 2006
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Photonic bandgap modulator, amplifier, DEMUX, and TDM devices
- Publication number 20050259922
- Publication date Nov 24, 2005
- Shoji Akiyama
- G02 - OPTICS
Information Patent Application
High efficiency tandem solar cells on silicon substrates using ultr...
- Publication number 20050081910
- Publication date Apr 21, 2005
- David T. Danielson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Optical waveguide Y-branch splitter
- Publication number 20050069258
- Publication date Mar 31, 2005
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Application
Process for fabrication of high reflectors by reversal of layer seq...
- Publication number 20050063061
- Publication date Mar 24, 2005
- Felix Jan Grawert
- G02 - OPTICS
Information Patent Application
Optical device comprising crystalline semiconductor layer and refle...
- Publication number 20050062038
- Publication date Mar 24, 2005
- Felix Jan Grawert
- G02 - OPTICS
Information Patent Application
Ge photodetectors
- Publication number 20050040411
- Publication date Feb 24, 2005
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Multiple oxidation smoothing method for reducing silicon waveguide...
- Publication number 20050013575
- Publication date Jan 20, 2005
- Daniel K. Sparacin
- G02 - OPTICS
Information Patent Application
Optical grating coupler
- Publication number 20040240788
- Publication date Dec 2, 2004
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Application
Integrated optical receiver
- Publication number 20040201100
- Publication date Oct 14, 2004
- Desmond Lim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Waveguide-to-semiconductor device coupler
- Publication number 20040179782
- Publication date Sep 16, 2004
- Lionel C. Kimerling
- G02 - OPTICS
Information Patent Application
Method of efficient carrier generation in silicon waveguide systems...
- Publication number 20040114847
- Publication date Jun 17, 2004
- Jan-Malte Fischer
- G02 - OPTICS
Information Patent Application
Optical grating coupler
- Publication number 20040081399
- Publication date Apr 29, 2004
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Application
Photosensitive optical glass
- Publication number 20040008968
- Publication date Jan 15, 2004
- L3 Optics, Inc.
- Kevin K. Lee
- G02 - OPTICS
Information Patent Application
Ge photodetectors
- Publication number 20030235931
- Publication date Dec 25, 2003
- Kazumi Wada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Low voltage tunable photonic crystal with large defects as waveleng...
- Publication number 20030223699
- Publication date Dec 4, 2003
- Lionel C. Kimerling
- G02 - OPTICS
Information Patent Application
Tunable inorganic dielectric microresonators
- Publication number 20030179981
- Publication date Sep 25, 2003
- LNL Technologies,Inc.
- Kevin K. Lee
- G02 - OPTICS
Information Patent Application
Light modulation using the Franz-Keldysh effect
- Publication number 20030138178
- Publication date Jul 24, 2003
- Lionel C. Kimerling
- G02 - OPTICS
Information Patent Application
Array waveguide grating
- Publication number 20030128927
- Publication date Jul 10, 2003
- Kazumi Wada
- G02 - OPTICS
Information Patent Application
Interleavers for AWGs
- Publication number 20030128928
- Publication date Jul 10, 2003
- Kazumi Wada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
On-chip optical amplifier
- Publication number 20030048527
- Publication date Mar 13, 2003
- Lionel C. Kimerling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vertically and laterally confined 3D optical coupler
- Publication number 20030035633
- Publication date Feb 20, 2003
- Anuradha M. Agarwal
- G02 - OPTICS

Kazumi Wada

Person

Patents Grantslast 30 patents

Amorphous germanium waveguides for spectroscopic sensing and data c...

Amorphous germanium waveguides for spectroscopic sensing and data c...

Simultaneous electrical and optical connections for flip chip assembly

Methods and apparatus for spectral imaging

Methods and apparatus for spectral imaging

Optical device comprising crystalline semiconductor layer and refle...

On-chip optical amplifier

Ge photodetectors

Optical grating coupler

Three dimensional high index optical waveguides bends and splitters

Photonic bandgap modulator, amplifier, demux, and TDM devices

Anti-reflection coating for the pass-band of photonic bandgap crystal

Thermally and electrically conducting high index contrast multi-lay...

Light modulation using the Franz-Keldysh effect

Process for fabrication of high reflectors by reversal of layer seq...

Optical grating coupler

Multiple oxidation smoothing method for reducing silicon waveguide...

Vertically and laterally confined 3D optical coupler

High density integrated optical chip

Optical grating coupler

Array waveguide grating

Optical waveguide Y-branch splitter

Method of forming GE photodetectors

Waveguide-to-semiconductor device coupler

Method of efficient carrier generation in silicon waveguide systems...

Low voltage tunable photonic crystal with large defects as waveleng...

Low-loss waveguide and method of making same

Interleavers for AWGs

Ge photodetectors

Back reflector of solar cells

Patents Applicationslast 30 patents

AMORPHOUS GERMANIUM WAVEGUIDES FOR SPECTROSCOPIC SENSING AND DATA C...

Simultaneous Electrical and Optical Connections for Flip Chip Assembly

AMORPHOUS GERMANIUM WAVEGUIDES FOR SPECTROSCOPIC SENSING AND DATA C...

Methods and Apparatus for Spectral Imaging

Methods and Apparatus for Spectral Imaging

Method and Structure of Strain Control of Sige Based Photodetectors...

Anti-reflection coating for the pass-band of photonic bandgap crystal

Optical grating coupler

Ge photodetectors

Photonic bandgap modulator, amplifier, DEMUX, and TDM devices

High efficiency tandem solar cells on silicon substrates using ultr...

Optical waveguide Y-branch splitter

Process for fabrication of high reflectors by reversal of layer seq...

Optical device comprising crystalline semiconductor layer and refle...

Ge photodetectors

Multiple oxidation smoothing method for reducing silicon waveguide...

Optical grating coupler

Integrated optical receiver

Waveguide-to-semiconductor device coupler

Method of efficient carrier generation in silicon waveguide systems...

Optical grating coupler

Photosensitive optical glass

Ge photodetectors

Low voltage tunable photonic crystal with large defects as waveleng...

Tunable inorganic dielectric microresonators

Light modulation using the Franz-Keldysh effect

Array waveguide grating

Interleavers for AWGs

On-chip optical amplifier

Vertically and laterally confined 3D optical coupler