Inventor
CHENG LEI
US81 patents
⚠️ This page may combine multiple inventors who share the name “CHENG LEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOSCH GMBH ROBERT
17 patentsUS11420879B2Aug 23, 2022
Conductive, anticorrosive magnesium titanium oxide material
BOSCH GMBH ROBERT2 citations73
US11152625B2Oct 19, 2021
Intermediate temperature solid oxide fuel cell cathode material
BOSCH GMBH ROBERT2 citations73
US11539056B2Dec 27, 2022
Fuel cell components protected with nitride materials
BOSCH GMBH ROBERT0 citations63
US12315968B2May 27, 2025
Patterned catalyst layers in fuel cells
BOSCH GMBH ROBERT0 citations62
US11955669B2Apr 9, 2024
Fuel cell bipolar plate alloys
BOSCH GMBH ROBERT0 citations62
US11925128B2Mar 5, 2024
Differential ionic electronic transistors
BOSCH GMBH ROBERT0 citations62
US11851765B2Dec 26, 2023
Home appliance metal materials chemically resistant to peroxide degradation
BOSCH GMBH ROBERT0 citations62
US11757104B2Sep 12, 2023
Catalyst support materials for fuel cells
BOSCH GMBH ROBERT0 citations62
US11705558B2Jul 18, 2023
Patterned catalyst layers in fuel cells
BOSCH GMBH ROBERT0 citations62
US11532827B2Dec 20, 2022
Fuel cell bipolar plate alloys
BOSCH GMBH ROBERT0 citations62
US11444292B2Sep 13, 2022
Anticorrosive and conductive material
BOSCH GMBH ROBERT0 citations62
US11404703B2Aug 2, 2022
Conductive, anti-corrosive material
BOSCH GMBH ROBERT0 citations62
US11377738B2Jul 5, 2022
Method of applying a flow field plate coating
BOSCH GMBH ROBERT0 citations62
US11345987B2May 31, 2022
Metal material hydrophobic surface treatment methods
BOSCH GMBH ROBERT0 citations62
US11342566B2May 24, 2022
Conductive, anti-corrosive magnesium titanium oxide material
BOSCH GMBH ROBERT0 citations62
US11316171B2Apr 26, 2022
Conductive, anti-corrosive magnesium titanium oxide material
BOSCH GMBH ROBERT0 citations62
US11205783B2Dec 21, 2021
Fuel cell bipolar plate including corrosion-resistant ferric oxide layer
BOSCH GMBH ROBERT0 citations62
BOSE CORP
12 patentsUS9792893B1Oct 17, 2017
In-ear active noise reduction earphone
BOSE CORP35 citations93
US9635452B2Apr 25, 2017
Noise reduction with in-ear headphone
BOSE CORP22 citations92
US9813794B2Nov 7, 2017
Noise reduction with in-ear headphone
BOSE CORP6 citations82
US11234085B2Jan 25, 2022
Earpieces and related articles and devices
BOSE CORP6 citations75
US10475435B1Nov 12, 2019
Earphone having acoustic impedance branch for damped ear canal resonance and acoustic signal coupling
BOSE CORP5 citations73
US11164554B2Nov 2, 2021
Wearable active noise reduction (ANR) device having low frequency feedback loop modulation
BOSE CORP1 citations71
US10015581B2Jul 3, 2018
Feedback microphone adaptor for noise canceling headphone
BOSE CORP3 citations71
US11838719B2Dec 5, 2023
Active noise reduction earbud
BOSE CORP2 citations70
US11540043B1Dec 27, 2022
Active noise reduction earbud
BOSE CORP4 citations70
US10623846B2Apr 14, 2020
Earpieces employing viscoelastic materials
BOSE CORP5 citations70
US9628903B2Apr 18, 2017
Microspeaker acoustical resistance assembly
BOSE CORP3 citations70
US12368988B2Jul 22, 2025
Headphones
BOSE CORP0 citations62
QUANTUMSCAPE BATTERY INC
10 patentsUS11165096B2Nov 2, 2021
Annealed garnet electrolycte separators
QUANTUMSCAPE BATTERY INC22 citations94
US11158880B2Oct 26, 2021
Translucent and transparent separators
QUANTUMSCAPE BATTERY INC22 citations94
US11600850B2Mar 7, 2023
Lithium-stuffed garnet thin films and pellets having an oxyfluorinated and/or fluorinated surface and methods of making and using the thin films and pellets
QUANTUMSCAPE BATTERY INC12 citations83
US11581576B2Feb 14, 2023
Annealed garnet electrolyte separators
QUANTUMSCAPE BATTERY INC2 citations73
US12142727B2Nov 12, 2024
Translucent and transparent separators
QUANTUMSCAPE BATTERY INC0 citations62
US12119444B2Oct 15, 2024
Annealed garnet electrolyte separators
QUANTUMSCAPE BATTERY INC0 citations62
US12074281B2Aug 27, 2024
Lithium-stuffed garnet electrolytes with secondary phase inclusions
QUANTUMSCAPE BATTERY INC0 citations62
US11916200B2Feb 27, 2024
Lithium-stuffed garnet electrolytes with a reduced surface defect density and methods of making and using the same
QUANTUMSCAPE BATTERY INC0 citations62
US11901506B2Feb 13, 2024
Lithium-stuffed garnet electrolytes with secondary phase inclusions
QUANTUMSCAPE BATTERY INC0 citations62
US11489193B2Nov 1, 2022
Lithium-stuffed garnet electrolytes with secondary phase inclusions
QUANTUMSCAPE BATTERY INC0 citations62
QUANTUMSCAPE CORP
4 patentsUS10804564B2Oct 13, 2020
Annealed garnet electrolyte separators
QUANTUMSCAPE CORP29 citations98
US10361455B2Jul 23, 2019
Annealed garnet electrolyte separators
QUANTUMSCAPE CORP31 citations97
US9966630B2May 8, 2018
Annealed garnet electrolyte separators
QUANTUMSCAPE CORP43 citations97
US10347937B2Jul 9, 2019
Lithium-stuffed garnet electrolytes with secondary phase inclusions
QUANTUMSCAPE CORP43 citations94
BANDSPEED INC
2 patentsADVANCED MICRO DEVICES INC
2 patentsSHANGHAI SIM-BCD SEMICONDUCTOR MFG CO LTD
1 patentUNIV SHANDONG
1 patentLI MING
1 patentShowing the top 50 of 81 patents by PatentIndex Score.