TREA

Hao-Jan Wang

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  • Taichung City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching power converting apparatus
    • Patent number 12,334,804
    • Issue date Jun 17, 2025
    • P-DUKE TECHNOLOGY CO., LTD.
    • Hao-Jen Wang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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 Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC STRUCTURE AND MANUFACTURING METHOD THEREOF, AND ELECTRON...
    • Publication number 20250174575
    • Publication date May 29, 2025
    • Siliconware Precision Industries Co., Ltd.
    • Hung-Hsiang FANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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