Jianhua Chen

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Self-limiting heater
- Patent number 12,125,619
- Issue date Oct 22, 2024
- Littelfuse, Inc.
- Efrem Fesshaie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC device having low melting temperature polymer body
- Patent number 11,984,285
- Issue date May 14, 2024
- Littelfuse, Inc.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
PPTC composition and device having low thermal derating and low pro...
- Patent number 11,881,337
- Issue date Jan 23, 2024
- Littelfuse Electronics (Shanghai) Co., Ltd.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer voltage-dependent resistor
- Patent number 11,823,821
- Issue date Nov 21, 2023
- Dongguan Littelfuse Electronics Company Limited
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC material with low percolation threshold for conductive filler
- Patent number 11,763,968
- Issue date Sep 19, 2023
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC actuator heater
- Patent number 11,670,440
- Issue date Jun 6, 2023
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC heater and material having stable power and self-limiting beha...
- Patent number 11,650,391
- Issue date May 16, 2023
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC tank heater
- Patent number 11,621,108
- Issue date Apr 4, 2023
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer voltage-dependent resistor
- Patent number 11,615,899
- Issue date Mar 28, 2023
- Dongguan Littelfuse Electronics Company Limited
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC actuator heater
- Patent number 11,488,749
- Issue date Nov 1, 2022
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Temperature sensing tape, assembly, and method of temperature control
- Patent number 11,300,458
- Issue date Apr 12, 2022
- Littelfuse, Inc.
- Boris Golubovic
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Temperature sensing tape
- Patent number 11,231,331
- Issue date Jan 25, 2022
- Littelfuse, Inc.
- Boris Golubovic
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming a fuse device
- Patent number 11,127,554
- Issue date Sep 21, 2021
- Littelfuse, Inc.
- Chun-Kwan Tsang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
PPTC device having resistive component
- Patent number 11,037,708
- Issue date Jun 15, 2021
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface mounted fuse device having positive temperature coefficient...
- Patent number 10,950,372
- Issue date Mar 16, 2021
- Littelfuse, Inc.
- Zhiyong Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC material with low percolation threshold for conductive filler
- Patent number 10,878,980
- Issue date Dec 29, 2020
- Littelfuse, Inc.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
PPTC material with mixed conductive filler composition
- Patent number 10,777,340
- Issue date Sep 15, 2020
- Littelfuse, Inc.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
PPTC composition and device having thermal degradation resistance
- Patent number 10,711,114
- Issue date Jul 14, 2020
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods for manufacturing an insulated busbar
- Patent number 10,685,766
- Issue date Jun 16, 2020
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuse device having phase change material
- Patent number 10,559,444
- Issue date Feb 11, 2020
- Littelfuse, Inc.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reflowable thermal fuse
- Patent number 10,446,345
- Issue date Oct 15, 2019
- Littelfuse, Inc.
- Matthew P. Galla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Hybrid device structures including negative temperature coefficient...
- Patent number 10,446,355
- Issue date Oct 15, 2019
- Littelfuse, Inc.
- Chun-Kwan Tsang
- G01 - MEASURING TESTING
Information Patent Grant
Bistage temperature device using positive temperature coefficient m...
- Patent number 10,424,952
- Issue date Sep 24, 2019
- Littelfuse, Inc.
- Weiqing Guo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Structurally resilient positive temperature coefficient material an...
- Patent number 10,325,702
- Issue date Jun 18, 2019
- Littelfuse, Inc.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Conductive polymer composition, conductive polymer sheet, electrica...
- Patent number 10,280,279
- Issue date May 7, 2019
- Littelfuse Electronics (Shanghai) Co., Ltd.
- Yingsong Fu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Interconnect for battery pack protection
- Patent number 10,199,632
- Issue date Feb 5, 2019
- Littelfuse, Inc.
- Werner Johler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flexible positive temperature coefficient sheet and method for maki...
- Patent number 10,186,356
- Issue date Jan 22, 2019
- Littelfuse, Inc.
- Boris Golubovic
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Remote activated fuse and circuit
- Patent number 9,887,057
- Issue date Feb 6, 2018
- Littelfuse, Inc.
- Johnny Lam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulated thermal cut-off device
- Patent number 9,831,054
- Issue date Nov 28, 2017
- Littelfuse, Inc.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reflowable circuit protection device
- Patent number 9,620,318
- Issue date Apr 11, 2017
- Littlefuse, Inc.
- Martyn A. Matthiesen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SELF-LIMITING HEATER
- Publication number 20250014788
- Publication date Jan 9, 2025
- LITTELFUSE, INC.
- Efrem Fesshaie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED HETEROGENEOUS THERMISTOR ARRANGEMENT FOR HIGH VOLTAGE PR...
- Publication number 20240371549
- Publication date Nov 7, 2024
- LITTELFUSE, INC.
- Tao Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID CONDUCTIVE PASTE FOR FAST-OPENING, LOW-RATING FUSES
- Publication number 20240274390
- Publication date Aug 15, 2024
- LITTELFUSE, INC.
- Hossein Talebinezhad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH POWER PPTC HEATER FOR LOW LIMITING TEMPERATURE OPERATION
- Publication number 20240064868
- Publication date Feb 22, 2024
- Dongguan Littelfuse Electronics Company Limited
- Jianhua CHEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOW RESISTANCE, HIGH VOLTAGE AND RESISTANCE STABLE PPTC MATERIAL AN...
- Publication number 20230343494
- Publication date Oct 26, 2023
- LITTELFUSE, INC.
- Zhiyong Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMAL PROTECTION DEVICE TO WITHSTAND HIGH VOLTAGE
- Publication number 20230245804
- Publication date Aug 3, 2023
- LITTELFUSE, INC.
- TOSHIKAZU YAMAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER VOLTAGE-DEPENDENT RESISTOR
- Publication number 20230076752
- Publication date Mar 9, 2023
- Dongguan Littelfuse Electronics Company Limited
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC ACTUATOR HEATER
- Publication number 20220375660
- Publication date Nov 24, 2022
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC ACTUATOR HEATER
- Publication number 20220262549
- Publication date Aug 18, 2022
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC TANK HEATER
- Publication number 20220208420
- Publication date Jun 30, 2022
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC COMPOSITION AND DEVICE HAVING LOW THERMAL DERATING AND LOW PRO...
- Publication number 20220013259
- Publication date Jan 13, 2022
- Littelfuse Electronics (Shanghai) Co., Ltd.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMER VOLTAGE-DEPENDENT RESISTOR
- Publication number 20210358662
- Publication date Nov 18, 2021
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMERIC POSITIVE TEMPERATURE COEFFICIENT (PPTC) BODIES AND DEVICE...
- Publication number 20210313097
- Publication date Oct 7, 2021
- LITTELFUSE, INC.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC DEVICE HAVING LOW MELTING TEMPERATURE POLYMER BODY
- Publication number 20210313135
- Publication date Oct 7, 2021
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC HEATER AND MATERIAL HAVING STABLE POWER AND SELF-LIMITING BEHA...
- Publication number 20210263258
- Publication date Aug 26, 2021
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Self-Limiting Heater
- Publication number 20210265085
- Publication date Aug 26, 2021
- LITTELFUSE, INC.
- Efrem Fesshaie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC MATERIAL WITH LOW PERCOLATION THRESHOLD FOR CONDUCTIVE FILLER
- Publication number 20210082603
- Publication date Mar 18, 2021
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC DEVICE HAVING RESISTIVE COMPONENT
- Publication number 20210005362
- Publication date Jan 7, 2021
- LITTELFUSE, INC.
- Jianhua Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE MOUNTED FUSE DEVICE HAVING POSITIVE TEMPERATURE COEFFICIENT...
- Publication number 20200328015
- Publication date Oct 15, 2020
- LITTELFUSE, INC.
- Zhiyong Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TEMPERATURE SENSING TAPE, ASSEMBLY, AND METHOD OF TEMPERATURE CONTROL
- Publication number 20200217724
- Publication date Jul 9, 2020
- LITTELFUSE, INC.
- Boris Golubovic
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUSE DEVICE HAVING PHASE CHANGE MATERIAL
- Publication number 20200194208
- Publication date Jun 18, 2020
- LITTELFUSE, INC.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BISTAGE TEMPERATURE DEVICE USING POSITIVE TEMPERATURE COEFFICIENT M...
- Publication number 20190222040
- Publication date Jul 18, 2019
- LITTELFUSE, INC.
- Weiqing Guo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
REFLOWABLE THERMAL FUSE
- Publication number 20190214208
- Publication date Jul 11, 2019
- LITTELFUSE, INC.
- Matthew P. Galla
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC COMPOSITION AND DEVICE HAVING THERMAL DEGRADATION RESISTANCE
- Publication number 20190119464
- Publication date Apr 25, 2019
- LITTELFUSE, INC.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PPTC DEVICE HAVING LOW MELTING TEMPERATURE POLYMER BODY
- Publication number 20190096621
- Publication date Mar 28, 2019
- LITTELFUSE, INC.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PPTC MATERIAL WITH MIXED CONDUCTIVE FILLER COMPOSITION
- Publication number 20190080825
- Publication date Mar 14, 2019
- LITTELFUSE, INC.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PPTC MATERIAL WITH LOW PERCOLATION THRESHOLD FOR CONDUCTIVE FILLER
- Publication number 20190080824
- Publication date Mar 14, 2019
- LITTELFUSE, INC.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
TEMPERATURE SENSING TAPE
- Publication number 20190072436
- Publication date Mar 7, 2019
- LITTELFUSE, INC.
- Boris Golubovic
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FUSE DEVICE HAVING PHASE CHANGE MATERIAL
- Publication number 20180315576
- Publication date Nov 1, 2018
- LITTELFUSE, INC.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID DEVICE STRUCTURES INCLUDING NEGATIVE TEMPERATURE COEFFICIENT...
- Publication number 20180315575
- Publication date Nov 1, 2018
- LITTELFUSE, INC.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS

Jianhua Chen

Person

Patents Grantslast 30 patents

Self-limiting heater

PPTC device having low melting temperature polymer body

PPTC composition and device having low thermal derating and low pro...

Polymer voltage-dependent resistor

PPTC material with low percolation threshold for conductive filler

PPTC actuator heater

PPTC heater and material having stable power and self-limiting beha...

PPTC tank heater

Polymer voltage-dependent resistor

PPTC actuator heater

Temperature sensing tape, assembly, and method of temperature control

Temperature sensing tape

Method of forming a fuse device

PPTC device having resistive component

Surface mounted fuse device having positive temperature coefficient...

PPTC material with low percolation threshold for conductive filler

PPTC material with mixed conductive filler composition

PPTC composition and device having thermal degradation resistance

Methods for manufacturing an insulated busbar

Fuse device having phase change material

Reflowable thermal fuse

Hybrid device structures including negative temperature coefficient...

Bistage temperature device using positive temperature coefficient m...

Structurally resilient positive temperature coefficient material an...

Conductive polymer composition, conductive polymer sheet, electrica...

Interconnect for battery pack protection

Flexible positive temperature coefficient sheet and method for maki...

Remote activated fuse and circuit

Insulated thermal cut-off device

Reflowable circuit protection device

Patents Applicationslast 30 patents

SELF-LIMITING HEATER

INTEGRATED HETEROGENEOUS THERMISTOR ARRANGEMENT FOR HIGH VOLTAGE PR...

HYBRID CONDUCTIVE PASTE FOR FAST-OPENING, LOW-RATING FUSES

HIGH POWER PPTC HEATER FOR LOW LIMITING TEMPERATURE OPERATION

LOW RESISTANCE, HIGH VOLTAGE AND RESISTANCE STABLE PPTC MATERIAL AN...

THERMAL PROTECTION DEVICE TO WITHSTAND HIGH VOLTAGE

POLYMER VOLTAGE-DEPENDENT RESISTOR

PPTC ACTUATOR HEATER

PPTC ACTUATOR HEATER

PPTC TANK HEATER

PPTC COMPOSITION AND DEVICE HAVING LOW THERMAL DERATING AND LOW PRO...

POLYMER VOLTAGE-DEPENDENT RESISTOR

POLYMERIC POSITIVE TEMPERATURE COEFFICIENT (PPTC) BODIES AND DEVICE...

PPTC DEVICE HAVING LOW MELTING TEMPERATURE POLYMER BODY

PPTC HEATER AND MATERIAL HAVING STABLE POWER AND SELF-LIMITING BEHA...

Self-Limiting Heater

PPTC MATERIAL WITH LOW PERCOLATION THRESHOLD FOR CONDUCTIVE FILLER

PPTC DEVICE HAVING RESISTIVE COMPONENT

SURFACE MOUNTED FUSE DEVICE HAVING POSITIVE TEMPERATURE COEFFICIENT...

TEMPERATURE SENSING TAPE, ASSEMBLY, AND METHOD OF TEMPERATURE CONTROL

FUSE DEVICE HAVING PHASE CHANGE MATERIAL

BISTAGE TEMPERATURE DEVICE USING POSITIVE TEMPERATURE COEFFICIENT M...

REFLOWABLE THERMAL FUSE

PPTC COMPOSITION AND DEVICE HAVING THERMAL DEGRADATION RESISTANCE

PPTC DEVICE HAVING LOW MELTING TEMPERATURE POLYMER BODY

PPTC MATERIAL WITH MIXED CONDUCTIVE FILLER COMPOSITION

PPTC MATERIAL WITH LOW PERCOLATION THRESHOLD FOR CONDUCTIVE FILLER

TEMPERATURE SENSING TAPE

FUSE DEVICE HAVING PHASE CHANGE MATERIAL

HYBRID DEVICE STRUCTURES INCLUDING NEGATIVE TEMPERATURE COEFFICIENT...