TREA

Ronglin Linghu

Follow

Person

  • Shenzhen, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sounding device
    • Patent number 12,363,482
    • Issue date Jul 15, 2025
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Wei Song
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,335,704
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,335,703
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,335,711
    • Issue date Jun 17, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration sounding device
    • Patent number 12,317,047
    • Issue date May 27, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional acoustic device
    • Patent number 12,192,727
    • Issue date Jan 7, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional acoustic device
    • Patent number 12,108,231
    • Issue date Oct 1, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device and electronic device
    • Patent number 12,089,024
    • Issue date Sep 10, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,088,996
    • Issue date Sep 10, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker box
    • Patent number 12,052,540
    • Issue date Jul 30, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,052,557
    • Issue date Jul 30, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 12,041,435
    • Issue date Jul 16, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration sounding device
    • Patent number 11,968,513
    • Issue date Apr 23, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibration sounding device
    • Patent number 11,968,514
    • Issue date Apr 23, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 11,968,515
    • Issue date Apr 23, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional sounding device
    • Patent number 11,950,046
    • Issue date Apr 2, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 11,871,201
    • Issue date Jan 9, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding device
    • Patent number 11,805,369
    • Issue date Oct 31, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional electromagnetic transducer
    • Patent number 11,805,366
    • Issue date Oct 31, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker box
    • Patent number 11,800,267
    • Issue date Oct 24, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 11,770,653
    • Issue date Sep 26, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sounding device
    • Patent number 11,765,516
    • Issue date Sep 19, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 11,641,550
    • Issue date May 2, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 11,622,200
    • Issue date Apr 4, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunctional electromagnetic transducer
    • Patent number 11,589,167
    • Issue date Feb 21, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 11,546,695
    • Issue date Jan 3, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 11,540,044
    • Issue date Dec 27, 2022
    • AAC Microtech (Changzhou) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound generator
    • Patent number 11,375,315
    • Issue date Jun 28, 2022
    • AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Terminal device
    • Patent number 11,245,783
    • Issue date Feb 8, 2022
    • AAC Technologies Pte. Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound transducer structure of electronic device
    • Patent number 11,206,477
    • Issue date Dec 21, 2021
    • AAC Technologies Pte. Ltd.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER BOX
    • Publication number 20250227409
    • Publication date Jul 10, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Yun Tang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUNDING DEVICE
    • Publication number 20250211911
    • Publication date Jun 26, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ronglin Linghu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTIFUNCTIONAL SOUNDING DEVICE
    • Publication number 20250203256
    • Publication date Jun 19, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Earphone core
    • Publication number 20250150750
    • Publication date May 8, 2025
    • AAC Microtech (Changzhou) Co., Ltd.
    • Ronglin Linghu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION MOTOR
    • Publication number 20250132654
    • Publication date Apr 24, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xiujiang Si
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COMPOSITE DIAPHRAGM AND SOUND-GENERATING DEVICE
    • Publication number 20250126408
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Zhongwei Wang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MULTI-FUNCTIONAL SOUND-GENERATING DEVICE
    • Publication number 20250126414
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION MOTOR
    • Publication number 20250125700
    • Publication date Apr 17, 2025
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Sounding Device
    • Publication number 20250056163
    • Publication date Feb 13, 2025
    • AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    • Wei Song
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MINIATURE SPEAKER
    • Publication number 20240340594
    • Publication date Oct 10, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE AND HEADPHONE
    • Publication number 20240292145
    • Publication date Aug 29, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Coaxial Speaker
    • Publication number 20240284092
    • Publication date Aug 22, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ronglin Linghu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20240244378
    • Publication date Jul 18, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20240244377
    • Publication date Jul 18, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATING MOTOR
    • Publication number 20240235354
    • Publication date Jul 11, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVING CIRCUIT FOR AUDIO POWER AMPLIFIER AND ELECTRONIC DEVICE
    • Publication number 20240235499
    • Publication date Jul 11, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ronglin Linghu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    MOTOR VIBRATING DEVICE
    • Publication number 20240235356
    • Publication date Jul 11, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xin Jin
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MULTI-FUNCTIONAL FEEDBACK DEVICE, HAPTIC FEEDBACK SYSTEM, AND AR/VR...
    • Publication number 20240220020
    • Publication date Jul 4, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Xingzhi Huang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ULTRA-LOW FREQUENCY SOUND COMPENSATION METHOD AND SYSTEM BASED ON H...
    • Publication number 20240223950
    • Publication date Jul 4, 2024
    • AAC TECHNOLOGIES (NANJING) CO., LTD.
    • Xingzhi Huang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Multifunctional Sounding Device
    • Publication number 20240147165
    • Publication date May 2, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunctional Sounding Device
    • Publication number 20240147157
    • Publication date May 2, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunctional Sounding Device
    • Publication number 20240147164
    • Publication date May 2, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunctional Sounding Device
    • Publication number 20240147158
    • Publication date May 2, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DRIVING CIRCUIT FOR AUDIO POWER AMPLIFIER AND ELECTRONIC DEVICE
    • Publication number 20240136986
    • Publication date Apr 25, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ronglin Linghu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    VIBRATION SOUNDING DEVICE
    • Publication number 20240073618
    • Publication date Feb 29, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Zhang Ren
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound device
    • Publication number 20240064466
    • Publication date Feb 22, 2024
    • AAC Microtech (Changzhou) Co., Ltd.
    • Yang Shi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VIBRATION AND AUDIO OUTPUT DEVICE AND ELECTRONIC EQUIPMENT
    • Publication number 20240040314
    • Publication date Feb 1, 2024
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Ronglin Linghu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    MULTIFUNCTIONAL SOUNDING DEVICE AND ELECTRIONIC DEVICE
    • Publication number 20230328444
    • Publication date Oct 12, 2023
    • AAC MICROTECH (CHANGZHOU) CO., LTD.
    • Bo Xiao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunctional Acoustic Device
    • Publication number 20230328441
    • Publication date Oct 12, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunctional Sounding Device
    • Publication number 20230328427
    • Publication date Oct 12, 2023
    • AAC Microtech (Changzhou) Co., Ltd.
    • Xin Jin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE