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Hao-Jan Wang
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Taichung City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
High frequency vibration spindle system with noncontact power trans...
Patent number
11,654,493
Issue date
May 23, 2023
National Chung-Hsing University
Jenq-Shyong Chen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Machining device
Patent number
10,919,121
Issue date
Feb 16, 2021
National Chung-Hsing University
Jenq-Shyong Chen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control circuit having extended hold-up time and conversion system...
Patent number
10,833,587
Issue date
Nov 10, 2020
P-DUKE TECHNOLOGY CO., LTD.
Lien-Hsing Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High frequency vibration spindle system
Patent number
10,570,985
Issue date
Feb 25, 2020
National Chung-Hsing University
Jenq-Shyong Chen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Machining toolholder
Patent number
10,279,396
Issue date
May 7, 2019
National Chung-Hsing University
Jenq-Shyong Chen
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
SWITCHING POWER CONVERTING APPARATUS
Publication number
20240266938
Publication date
Aug 8, 2024
P-DUKE TECHNOLOGY CO., LTD.
Hao-Jen WANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
LOW FREQUENCY VIBRATION MACHINING CENTER FOR BREAKING UP CHIP
Publication number
20230120743
Publication date
Apr 20, 2023
Hantop Intelligence Technology Co., LTD.
KUAN-WEN CHEN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH FREQUENCY VIBRATION SPINDLE SYSTEM WITH NONCONTACT POWER TRANS...
Publication number
20200070254
Publication date
Mar 5, 2020
National Chung Hsing University
JENQ-SHYONG CHEN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH FREQUENCY VIBRATION SPINDLE SYSTEM
Publication number
20190085933
Publication date
Mar 21, 2019
NATIONAL CHUNG-HSING UNIVERSITY
Jenq-Shyong CHEN
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
MACHINING TOOLHOLDER
Publication number
20180281081
Publication date
Oct 4, 2018
National Chung Hsing University
JENQ-SHYONG CHEN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MACHINING DEVICE
Publication number
20180178338
Publication date
Jun 28, 2018
National Chung Hsing University
Jenq-Shyong CHEN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ONE-WAY RATCHET UNIT FOR A BICYCLE WHEEL
Publication number
20120152682
Publication date
Jun 21, 2012
FOSS WORLDWIDE INC.
Tseng-Ping TIEN
B60 - VEHICLES IN GENERAL