Tianhai Chang

This inventor holds 17 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 8 EPO patents, primarily in Optical Communications. Top assignees: Huawei Technologies Co., Limited, Huawei Technologies Co., Ltd., Shenzhen Yinwang Intelligent Technologies Co., Ltd.. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tianhai Chang. Retrieved from https://idiyas.com/inventor/tianhai-chang

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 17 (Patent Applications = 7)

% Patents Active = 100.0

CIPO Patents = 2

EPO Patents = 8 (Patent Applications = 25)

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Guangdong, CN (2009)
Shenzhen, CN (2009 - 2020)
Dongguan, CN (2021 - 2024)

Company Filing History:

13 out of 27,557

Huawei Technologies Co., Limited

patents

2 out of 2,396

Huawei Technologies Co., Ltd.

patents

2 out of 158

Shenzhen Yinwang Intelligent Technologies Co., Ltd.

patents

Years Active: 2009-2026

Loading Chart...

Areas of Expertise:

Optical Communication

Display Apparatus

Head-Up Display

Optical Transmitter

Multi-Focal-Plane

Optical Amplifier

Network Protection

Optical Fiber

Service Data Processing

Time Synchronization

Wavelength Division Multiplexing

Optical Modulation

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12726742 - Communication system, transmitter, and communication method (2026-09-01),

2. 12671495 - Optical communication system, vehicle, and industrial optical network (2026-06-30),

3. 12429758 - Display apparatus and display system (2025-09-30),

4. 12360382 - Head-up display apparatus and head-up display method (2025-07-15),

5. 12334984 - Optical transmitter and optical modulation method (2025-06-17),

6. 12055712 - Multi-focal-plane image generation apparatus, head-up display apparatus, related method, and device (2024-08-06),

7. 11711152 - Receiver, optical line terminal, and passive optical network system (2023-07-25),

8. 11611816 - Service data processing method and device (2023-03-21),

9. 11381335 - Method and apparatus for spectrum defragmentation, device, and system (2022-07-05),

10. 10911137 - Optical amplifier apparatus, optical communications station, and optical communications system (2021-02-02),

11. 10778570 - Network protection method, network node and system (2020-09-15),

12. 10547378 - Optical fiber status detection method, optical supervisory unit, and station (2020-01-28),

13. 10200771 - Service switching system and service switching method (2019-02-05),

14. 8817823 - Method and device for time synchronization (2014-08-26),

15. 8380070 - Upgrading method, system and apparatus of low-density wavelength division multiplexing system (2013-02-19),

Title: Tianhai Chang: Pushing Technological Boundaries Through Innovation

Introduction:

Tianhai Chang, a standout figure in the world of inventors, is renowned for his passion for innovation and relentless drive to push the boundaries of technology. His contributions not only inspire current inventors but also shape the technological landscape for future generations.

Latest Patents:

Tianhai Chang's latest patents include a Receiver, optical line terminal, and passive optical network system, where innovative optical devices are described. One example is a receiver comprising a photodetector, amplifiers, and a controller. Additionally, he has patented a Service data processing method and device, enhancing data processing efficiency in optical transport networks.

Career Highlights:

With an impressive portfolio of 11 patents, Tianhai Chang has demonstrated his expertise in developing cutting-edge technology. His work at Huawei Technologies Co., Limited showcases his dedication to driving technological advancements in the telecommunications industry.

Collaborations:

Tianhai Chang collaborates closely with esteemed colleagues such as Lei Zhang and Jianmei Zhang. Together, they leverage their diverse skills and knowledge to develop groundbreaking inventions that elevate the industry standards.

Conclusion:

In conclusion, Tianhai Chang's innovative spirit and unwavering commitment to technological advancement mark him as a visionary inventor in today's ever-evolving landscape. His patents, collaborations, and career achievements underscore his significant contributions to the field of technology and serve as an inspiration to aspiring inventors worldwide.

Profile summary based on public USPTO records.