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Yung Hsien CHANG
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Douliu City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Radial-leaded over-current protection device
Patent number
11,694,825
Issue date
Jul 4, 2023
Polytronics Technology Corp.
Feng Ji Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface-mountable over-current protection device
Patent number
11,626,220
Issue date
Apr 11, 2023
Polytronics Technology Corp.
Feng Ji Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Over-current protection device
Patent number
11,594,877
Issue date
Feb 28, 2023
Polytronics Technology Corp.
Zhen Yu Dong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Over-current protection device
Patent number
11,574,750
Issue date
Feb 7, 2023
Polytronics Technology Corp.
Hsiu Che Yen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cable with over-temperature protection
Patent number
11,018,502
Issue date
May 25, 2021
Polytronics Technology Corp.
Zhen Yu Dong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Over-current protection device
Patent number
10,902,980
Issue date
Jan 26, 2021
Polytronics Technology Corp.
Zhen-Yu Dong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface-mountable over-current protection device
Patent number
10,096,407
Issue date
Oct 9, 2018
Polytronics Technology Corp.
Chun Teng Tseng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Over-current protection device
Patent number
9,997,906
Issue date
Jun 12, 2018
Polytronics Technology Corp.
Hsiu Che Yen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
OVER-CURRENT PROTECTION DEVICE
Publication number
20240127988
Publication date
Apr 18, 2024
POLYTRONICS TECHNOLOGY CORP.
HSIU-CHE YEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVER-CURRENT PROTECTION DEVICE
Publication number
20240127989
Publication date
Apr 18, 2024
POLYTRONICS TECHNOLOGY CORP.
Chia-Yuan Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CIRCUIT PROTECTION DEVICE
Publication number
20240071656
Publication date
Feb 29, 2024
POLYTRONICS TECHNOLOGY CORP.
Chien Hui WU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVER-CURRENT PROTECTION DEVICE
Publication number
20230395288
Publication date
Dec 7, 2023
POLYTRONICS TECHNOLOGY CORP.
Hsiu-Che YEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVER-CURRENT PROTECTION DEVICE
Publication number
20230395287
Publication date
Dec 7, 2023
POLYTRONICS TECHNOLOGY CORP.
CHEN-NAN LIU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RADIAL-LEADED OVER-CURRENT PROTECTION DEVICE
Publication number
20220399142
Publication date
Dec 15, 2022
POLYTRONICS TECHNOLOGY CORP.
Feng Ji LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SURFACE-MOUNTABLE OVER-CURRENT PROTECTION DEVICE
Publication number
20220399141
Publication date
Dec 15, 2022
POLYTRONICS TECHNOLOGY CORP.
Feng Ji LI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVER-CURRENT PROTECTION DEVICE
Publication number
20220399716
Publication date
Dec 15, 2022
POLYTRONICS TECHNOLOGY CORP.
ZHEN YU DONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OVER-CURRENT PROTECTION DEVICE
Publication number
20220375658
Publication date
Nov 24, 2022
POLYTRONICS TECHNOLOGY CORP.
HSIU CHE YEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CABLE
Publication number
20200119547
Publication date
Apr 16, 2020
POLYTRONICS TECHNOLOGY CORP.
Zhen Yu DONG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SURFACE-MOUNTABLE OVER-CURRENT PROTECTION DEVICE
Publication number
20180033527
Publication date
Feb 1, 2018
POLYTRONICS TECHNOLOGY CORP.
Chun Teng TSENG
H01 - BASIC ELECTRIC ELEMENTS