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Patents Grants
last 30 patents
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
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-...
Patents Applications
last 30 patents
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
PPTC HEATER AND MATERIAL HAVING STABLE POWER AND SELF-LIMITING BEHA...
Publication number
20230092379
Publication date
Mar 23, 2023
LITTELFUSE, INC.
Zhiyong Zhou
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
REFLOW SOLDERABLE POSITIVE TEMPERATURE COEFFICIENT CIRCUIT PROTECTI...
Publication number
20180268969
Publication date
Sep 20, 2018
Littelfuse Electronics (Shanghai) Co., Ltd.
Cheng Hu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
REFLOW SOLDERABLE POSITIVE TEMPERATURE COEFFICIENT CIRCUIT PROTECTI...
Publication number
20180261362
Publication date
Sep 13, 2018
LITTELFUSE, INC.
Cheng Hu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONDUCTIVE POLYMER COMPOSITION, CONDUCTIVE POLYMER SHEET, ELECTRICA...
Publication number
20180186964
Publication date
Jul 5, 2018
Raychem Electronics (Shanghai) Ltd.
Yingsong Fu
C01 - INORGANIC CHEMISTRY