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Sheng-Fa Tsai

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  • Taipei City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheel control mechanism and mouse device with same
    • Patent number 12,057,266
    • Issue date Aug 6, 2024
    • Primax Electronics Ltd.
    • Chun-Nan Su
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Mouse device including a magnetic ratchet
    • Patent number 12,039,114
    • Issue date Jul 16, 2024
    • Primax Electronics Ltd.
    • Chun-Nan Su
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Input device control wheel
    • Patent number 12,028,063
    • Issue date Jul 2, 2024
    • Primax Electronics Ltd.
    • Chun-Che Wu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key structure
    • Patent number 11,810,733
    • Issue date Nov 7, 2023
    • Primax Electronics Ltd.
    • Sheng-An Tsai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mouse device
    • Patent number 11,797,108
    • Issue date Oct 24, 2023
    • Primax Electronics Ltd.
    • Chun-Nan Su
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key structure
    • Patent number 11,728,109
    • Issue date Aug 15, 2023
    • Primax Electronics Ltd.
    • Yung-Tai Pan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mouse device
    • Patent number 11,681,379
    • Issue date Jun 20, 2023
    • Primax Electronics Ltd.
    • Chun-Nan Su
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Keyboard device
    • Patent number 11,404,227
    • Issue date Aug 2, 2022
    • Primax Electronics Ltd.
    • Chun-Lin Chu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Roller module for a mouse device having a movable magnet
    • Patent number 11,099,667
    • Issue date Aug 24, 2021
    • Primax Electronics Ltd.
    • Li-Kuei Cheng
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key structure
    • Patent number 11,094,479
    • Issue date Aug 17, 2021
    • Primax Electronics Ltd.
    • Xiao-Jun Chu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Keyboard with vibration function
    • Patent number 10,903,025
    • Issue date Jan 26, 2021
    • Primax Electronics Ltd.
    • Sheng-An Tsai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key structure
    • Patent number 10,658,137
    • Issue date May 19, 2020
    • Primax Electronics Ltd.
    • Sheng-An Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Keyboard key structure that generates an operation sound
    • Patent number 10,658,135
    • Issue date May 19, 2020
    • Primax Electronics Ltd.
    • Sheng-An Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key structure
    • Patent number 10,490,369
    • Issue date Nov 26, 2019
    • Primax Electronics Ltd.
    • Sheng-An Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Keyboard structure
    • Patent number 10,276,328
    • Issue date Apr 30, 2019
    • Primax Electronics Ltd.
    • Hsiang-Wen Cheng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key structure
    • Patent number 10,236,141
    • Issue date Mar 19, 2019
    • Primax Electronics Ltd.
    • Sheng-An Tsai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Zinc binding fusion protein of glutathione S-transferase and metall...
    • Patent number 9,809,805
    • Issue date Nov 7, 2017
    • ACRO BIOTECH CO., LTD.
    • Chiao-Wei Lin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Isoquinoline alkaloid derivative for activating AMP-dependent prote...
    • Patent number 9,707,222
    • Issue date Jul 18, 2017
    • ZIH YUAN TANG BIOTECHNOLOGY CO., LTD
    • Shoei-Sheng Lee
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Collapsible stand
    • Patent number 9,423,067
    • Issue date Aug 23, 2016
    • MYWISH INFORMATION CORP.
    • Wei Nien Sun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Rotatable stand
    • Patent number 9,353,904
    • Issue date May 31, 2016
    • MYWISH INFORMATION CORP.
    • Wei Nien Sun
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Ornament holder for a cellphone
    • Patent number 9,106,730
    • Issue date Aug 11, 2015
    • MYWISH INFORMATION CORP.
    • Sheng Wei Tsai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Control device and light source device
    • Patent number 9,072,144
    • Issue date Jun 30, 2015
    • INVENTEC (PUDONG) TECHNOLOGY CORPORATION
    • Sheng-Yuan Tsai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and circuit for resetting register
    • Patent number 8,495,353
    • Issue date Jul 23, 2013
    • Inventec Corporation
    • Sheng-Yuan Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Test board
    • Patent number 7,940,068
    • Issue date May 10, 2011
    • Inventec Corporation
    • Chih-Jen Chin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Multiprocessor power-on switch circuit
    • Patent number 7,702,933
    • Issue date Apr 20, 2010
    • Inventec Corporation
    • Sheng-Yuan Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Clock pin setting and clock driving circuit
    • Patent number 7,586,354
    • Issue date Sep 8, 2009
    • Inventec Corporation
    • Sheng-Yuan Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Abnormal power interruption internal circuitry protection method an...
    • Patent number 7,490,252
    • Issue date Feb 10, 2009
    • Inventec Corporation
    • Sheng-Yuan Tsai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Multi-level voltage detection circuit
    • Patent number 7,459,903
    • Issue date Dec 2, 2008
    • Inventec Corporation
    • Sheng-Yuan Tsai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Expanding high speed transport interface hardware method for mother...
    • Patent number 7,420,819
    • Issue date Sep 2, 2008
    • Inventec Corporation
    • Chi-Wei Yang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Ejectable stand
    • Patent number 7,364,126
    • Issue date Apr 29, 2008
    • Tatung Company
    • Sheng-Yu Tsai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents