Daniel A. Francis

Person

Oakland, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless communication system with improved thermal performance
- Patent number 11,495,515
- Issue date Nov 8, 2022
- Akash Systems, Inc.
- Tyrone D. Mitchell
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for efficient high-frequency communications
- Patent number 10,985,082
- Issue date Apr 20, 2021
- Akash Systems, Inc.
- Tyrone D. Mitchell
- G01 - MEASURING TESTING
Information Patent Grant
Methods for fabricating semiconductor devices that have polycrystal...
- Patent number 10,699,896
- Issue date Jun 30, 2020
- RFHIC CORPORATION
- Firooz Nasser-Faili
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Handle for semiconductor-on-diamond wafers and method of manufacture
- Patent number 10,586,850
- Issue date Mar 10, 2020
- RFHIC Corporation
- Quentin Diduck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating compound semiconductor device structures havi...
- Patent number 10,446,468
- Issue date Oct 15, 2019
- RFHIC CORPORATION
- Frank Yantis Lowe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound semiconductor device structures comprising polycrystalline...
- Patent number 10,319,580
- Issue date Jun 11, 2019
- RFHIC Corporation
- Firooz Nasser-Faili
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Compound semiconductor device structures comprising polycrystalline...
- Patent number 10,297,526
- Issue date May 21, 2019
- RFHIC CORPORATION
- Frank Yantis Lowe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating diamond-semiconductor composite substrates
- Patent number 10,043,700
- Issue date Aug 7, 2018
- RFHIC CORPORATION
- Daniel Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Handle for semiconductor-on-diamond wafers and method of manufacture
- Patent number 9,882,007
- Issue date Jan 30, 2018
- RFHIC Corporation
- Quentin Diduck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gallium-nitride-on-diamond wafers and manufacturing equipment and m...
- Patent number 9,359,693
- Issue date Jun 7, 2016
- Element Six Technologies US Corporation
- Daniel Francis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing semiconductor devices having gallium nitri...
- Patent number 8,945,966
- Issue date Feb 3, 2015
- Element Six Technologies US Corporation
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Grant
Gallium-nitride-on-diamond wafers and devices, and methods of manuf...
- Patent number 8,759,134
- Issue date Jun 24, 2014
- Element Six Technologies US Corporation
- Felix Ejeckam
- C30 - CRYSTAL GROWTH
Information Patent Grant
Gallium—nitride-on-diamond wafers and devices, and methods of manuf...
- Patent number 8,674,405
- Issue date Mar 18, 2014
- Element Six Technologies US Corporation
- Dubravko Babić
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor devices having gallium nitride epilayers on diamond s...
- Patent number 8,283,672
- Issue date Oct 9, 2012
- Group4 Labs, Inc.
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for manufacturing semiconductor devices having gallium nitri...
- Patent number 8,283,189
- Issue date Oct 9, 2012
- Group4 Labs, Inc.
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Grant
Composite wafers having bulk-quality semiconductor layers and metho...
- Patent number 7,943,485
- Issue date May 17, 2011
- Group4 Labs, LLC
- Daniel Francis
- G01 - MEASURING TESTING
Information Patent Grant
Semiconductor devices having gallium nitride epilayers on diamond s...
- Patent number 7,595,507
- Issue date Sep 29, 2009
- Group4 Labs LLC
- Daniel Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Starved source diffusion for avalanche photodiode
- Patent number 7,553,690
- Issue date Jun 30, 2009
- Finisar Corporation
- Daniel Francis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Optoelectronic semiconductor device
- Patent number 7,149,236
- Issue date Dec 12, 2006
- Finisar Corporation
- Ashish K. Verma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable segmented distributed bragg reflector for linear optical am...
- Patent number 7,099,075
- Issue date Aug 29, 2006
- Finisar Corporation
- Richard P. Ratowsky
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Linear optical amplifier using coupled waveguide induced feedback
- Patent number 7,057,803
- Issue date Jun 6, 2006
- Finisar Corporation
- Richard P. Ratowsky
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vertical laser cavity with a non-planar top mirror
- Patent number 6,980,577
- Issue date Dec 27, 2005
- Finisar Corporation
- Daniel A. Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically pumped semiconductor active region with a backward dio...
- Patent number 6,977,424
- Issue date Dec 20, 2005
- Finisar Corporation
- Jeffrey D. Walker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically pumped vertical optical cavity with improved electrica...
- Patent number 6,647,041
- Issue date Nov 11, 2003
- Finisar Corporation
- Ashish K. Verma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable-gain lasing semiconductor optical amplifier
- Patent number 6,445,495
- Issue date Sep 3, 2002
- Genoa Corporation
- Jeffrey D. Walker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
User input device for a computer system
- Patent number 6,351,260
- Issue date Feb 26, 2002
- Poa Sana, Inc.
- David S. Graham
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Position digitizer waveguide array with integrated collimating optics
- Patent number 6,181,842
- Issue date Jan 30, 2001
- Poa Sana, Inc.
- Daniel A. Francis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
User input device for a computer system
- Patent number 5,914,709
- Issue date Jun 22, 1999
- Poa Sana, LLC
- David S. Graham
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DEVICES HAVING AND METHODS OF FORMING THERMALLY CONDUCTIVE SUBSTRATES
- Publication number 20240170362
- Publication date May 23, 2024
- Akash Systems, Inc.
- Daniel FRANCIS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUBSTRATE FEATURES IN THERMALLY CONDUCTIVE MATERIALS
- Publication number 20230420333
- Publication date Dec 28, 2023
- Akash Systems, Inc.
- Daniel FRANCIS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-EFFICIENCY STRUCTURES FOR IMPROVED WIRELESS COMMUNICATIONS
- Publication number 20230411314
- Publication date Dec 21, 2023
- Akash Systems, Inc.
- Paul SAUNIER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MATERIAL GROWTH ON WIDE-BANDGAP SEMICONDUCTOR MATERIALS
- Publication number 20220189846
- Publication date Jun 16, 2022
- Akash Systems, Inc.
- Daniel FRANCIS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS COMMUNICATION SYSTEM WITH IMPROVED THERMAL PERFORMANCE
- Publication number 20200402973
- Publication date Dec 24, 2020
- Akash Systems, Inc.
- Tyrone D. Mitchell
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
APPARATUS FOR EFFICIENT HIGH-FREQUENCY COMMUNICATIONS
- Publication number 20200402974
- Publication date Dec 24, 2020
- Akash Systems, Inc.
- Tyrone D. Mitchell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...
- Publication number 20190252183
- Publication date Aug 15, 2019
- RFHIC Corporation
- Firooz NASSER-FAILI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
BONDING OF DIAMOND WAFERS TO CARRIER SUBSTRATES
- Publication number 20190214260
- Publication date Jul 11, 2019
- ELEMENT SIX TECHNOLOGIES LIMITED
- DANIEL FRANCIS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...
- Publication number 20190189533
- Publication date Jun 20, 2019
- RFHIC Corporation
- Frank Yantis LOWE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF FABRICATING DIAMOND-SEMICONDUCTOR COMPOSITE SUBSTRATES
- Publication number 20180151404
- Publication date May 31, 2018
- RFHIC Corporation
- Daniel FRANCIS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HANDLE FOR SEMICONDUCTOR-ON-DIAMOND WAFERS AND METHOD OF MANUFACTURE
- Publication number 20180108739
- Publication date Apr 19, 2018
- RFHIC Corporation
- Quentin Diduck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...
- Publication number 20170271235
- Publication date Sep 21, 2017
- RFHIC Corporation
- Frank Yantis LOWE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...
- Publication number 20170263448
- Publication date Sep 14, 2017
- RFHIC Corporation
- Firooz NASSER-FAILI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICES WITH IMPROVED RELIABILITY AND OPERATING LIFE...
- Publication number 20150279945
- Publication date Oct 1, 2015
- ELEMENT SIX TECHNOLOGIES US CORPORATION
- Daniel Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HANDLE FOR SEMICONDUCTOR-ON-DIAMOND WAFERS AND METHOD OF MANUFACTURE
- Publication number 20150200254
- Publication date Jul 16, 2015
- ELEMENT SIX TECHNOLOGIES US CORPORATION
- Quentin Diduck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GALLIUM-NITRIDE-ON-DIAMOND WAFERS AND DEVICES, AND METHODS OF MANUF...
- Publication number 20140141595
- Publication date May 22, 2014
- ELEMENT SIX TECHNOLOGIES US CORPORATION
- Dubravko Babic
- C30 - CRYSTAL GROWTH
Information Patent Application
Gallium-Nitride-On-Diamond Wafers and Manufacturing Equipment and M...
- Publication number 20130298823
- Publication date Nov 14, 2013
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES HAVING GALLIUM NITRI...
- Publication number 20130183798
- Publication date Jul 18, 2013
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES HAVING GALLIUM NITRI...
- Publication number 20100105166
- Publication date Apr 29, 2010
- Group4 Labs, LLC
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Application
SEMICONDUCTOR DEVICES HAVING GALLIUM NITRIDE EPILAYERS ON DIAMOND S...
- Publication number 20100001293
- Publication date Jan 7, 2010
- Group4 Labs, LLC
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Application
COMPOSITE WAFERS HAVING BULK-QUALITY SEMICONDUCTOR LAYERS AND METHO...
- Publication number 20080296586
- Publication date Dec 4, 2008
- Daniel Francis
- G01 - MEASURING TESTING
Information Patent Application
Method for manufacturing smooth diamond heat sinks
- Publication number 20070269604
- Publication date Nov 22, 2007
- Daniel Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wafer testing of edge emitting lasers
- Publication number 20070047609
- Publication date Mar 1, 2007
- Daniel A. Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Edge emitting semiconductor laser with short gain region
- Publication number 20070047606
- Publication date Mar 1, 2007
- Daniel A. Francis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Devices Having Gallium Nitride Epilayers on Diamond S...
- Publication number 20060266280
- Publication date Nov 30, 2006
- Daniel Francis
- C30 - CRYSTAL GROWTH
Information Patent Application
Point source diffusion for avalanche photodiodes
- Publication number 20060121683
- Publication date Jun 8, 2006
- Finisar Corporation
- Daniel A. Francis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Starved source diffusion for avalanche photodiode
- Publication number 20060084187
- Publication date Apr 20, 2006
- Daniel A. Francis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Starved source diffusion for avalanche photodiode
- Publication number 20060081874
- Publication date Apr 20, 2006
- Daniel A. Francis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Tunable segmented distributed bragg reflector for linear optical am...
- Publication number 20060050364
- Publication date Mar 9, 2006
- Finisar Corporation
- Richard P. Ratowsky
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Linear optical amplifier using coupled waveguide induced feedback
- Publication number 20060001953
- Publication date Jan 5, 2006
- Finisar Corporation
- Richard P. Ratowsky
- B82 - NANO-TECHNOLOGY

Daniel A. Francis

Person

Patents Grantslast 30 patents

Wireless communication system with improved thermal performance

Apparatus for efficient high-frequency communications

Methods for fabricating semiconductor devices that have polycrystal...

Handle for semiconductor-on-diamond wafers and method of manufacture

Method of fabricating compound semiconductor device structures havi...

Compound semiconductor device structures comprising polycrystalline...

Compound semiconductor device structures comprising polycrystalline...

Method of fabricating diamond-semiconductor composite substrates

Handle for semiconductor-on-diamond wafers and method of manufacture

Gallium-nitride-on-diamond wafers and manufacturing equipment and m...

Method for manufacturing semiconductor devices having gallium nitri...

Gallium-nitride-on-diamond wafers and devices, and methods of manuf...

Gallium—nitride-on-diamond wafers and devices, and methods of manuf...

Semiconductor devices having gallium nitride epilayers on diamond s...

Method for manufacturing semiconductor devices having gallium nitri...

Composite wafers having bulk-quality semiconductor layers and metho...

Semiconductor devices having gallium nitride epilayers on diamond s...

Starved source diffusion for avalanche photodiode

Optoelectronic semiconductor device

Tunable segmented distributed bragg reflector for linear optical am...

Linear optical amplifier using coupled waveguide induced feedback

Vertical laser cavity with a non-planar top mirror

Electrically pumped semiconductor active region with a backward dio...

Electrically pumped vertical optical cavity with improved electrica...

Tunable-gain lasing semiconductor optical amplifier

User input device for a computer system

Position digitizer waveguide array with integrated collimating optics

User input device for a computer system

Patents Applicationslast 30 patents

DEVICES HAVING AND METHODS OF FORMING THERMALLY CONDUCTIVE SUBSTRATES

SUBSTRATE FEATURES IN THERMALLY CONDUCTIVE MATERIALS

HIGH-EFFICIENCY STRUCTURES FOR IMPROVED WIRELESS COMMUNICATIONS

MATERIAL GROWTH ON WIDE-BANDGAP SEMICONDUCTOR MATERIALS

WIRELESS COMMUNICATION SYSTEM WITH IMPROVED THERMAL PERFORMANCE

APPARATUS FOR EFFICIENT HIGH-FREQUENCY COMMUNICATIONS

COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...

BONDING OF DIAMOND WAFERS TO CARRIER SUBSTRATES

COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...

METHOD OF FABRICATING DIAMOND-SEMICONDUCTOR COMPOSITE SUBSTRATES

HANDLE FOR SEMICONDUCTOR-ON-DIAMOND WAFERS AND METHOD OF MANUFACTURE

COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...

COMPOUND SEMICONDUCTOR DEVICE STRUCTURES COMPRISING POLYCRYSTALLINE...

SEMICONDUCTOR DEVICES WITH IMPROVED RELIABILITY AND OPERATING LIFE...

HANDLE FOR SEMICONDUCTOR-ON-DIAMOND WAFERS AND METHOD OF MANUFACTURE

GALLIUM-NITRIDE-ON-DIAMOND WAFERS AND DEVICES, AND METHODS OF MANUF...

Gallium-Nitride-On-Diamond Wafers and Manufacturing Equipment and M...

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES HAVING GALLIUM NITRI...

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES HAVING GALLIUM NITRI...

SEMICONDUCTOR DEVICES HAVING GALLIUM NITRIDE EPILAYERS ON DIAMOND S...

COMPOSITE WAFERS HAVING BULK-QUALITY SEMICONDUCTOR LAYERS AND METHO...

Method for manufacturing smooth diamond heat sinks

Wafer testing of edge emitting lasers

Edge emitting semiconductor laser with short gain region

Semiconductor Devices Having Gallium Nitride Epilayers on Diamond S...

Point source diffusion for avalanche photodiodes

Starved source diffusion for avalanche photodiode

Starved source diffusion for avalanche photodiode

Tunable segmented distributed bragg reflector for linear optical am...

Linear optical amplifier using coupled waveguide induced feedback