Liang Dou

This inventor holds 36 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Optical Communication. Top assignees: Fujitsu Corporation, Alibaba (China) Co., Ltd., Alibaba (China) Co., Ltd.. Active years: 2013-2026.

USPTO Granted Patents = 36 (Patent Applications = 2)

% Patents Active = 77.8

EPO Patents = 3 (Patent Applications = 3)

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 57(Granted Patents)

Company Filing History:

Alibaba (China) Co., Ltd.

patents

1 out of 25

Alibaba (China) Co., Ltd.

patents

4. 1 out of 11

Hangzhou Alicloud Feitian Information Technology Co., Ltd.

patents

Years Active: 2013-2026

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Areas of Expertise:

Optical Transmission

Signal Processing

Bias Estimation

Channel Spacing

Frequency Offset

Noise Ratio Monitoring

Nonlinear Compensation

Pre-equalizer

Optical Modulator

Transmitter

Receiver

Data Communication

36 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12592536 - Method and apparatus for controlling optical fiber amplifier, system, transmission node and storage medium (2026-03-31),

2. 12529842 - Optical transmission system and data communication system (2026-01-20),

3. 12113572 - Method and apparatus for calculating configuration of optical transmission network, and optical transmission network system (2024-10-08),

4. 10771230 - Estimating apparatus for bias drift of transmitting end modulator, compensating apparatus and receiver (2020-09-08),

5. 10623128 - Apparatus and method for processing a frequency offset of a pilot and receiver (2020-04-14),

6. 10574350 - Method and apparatus for estimating direct current bias of optical modulator and receiver (2020-02-25),

7. 10491294 - Signal processing apparatus, apparatus and method for monitoring channel spacing and system (2019-11-26),

8. 10439852 - Signal processing apparatus, signal transmitting apparatus and receiver (2019-10-08),

9. 10367635 - Signal transmission apparatus, carrier phase recovery apparatus and method (2019-07-30),

10. 10263698 - Monitoring apparatus for optical signal to noise ratio, signal transmission apparatus and receiver (2019-04-16),

11. 10243725 - Apparatus and method for generating transmitting sequence, training sequence synchronization apparatus and method, apparatus and method for estimating channel spacing and system (2019-03-26),

12. 10230469 - Apparatus for measuring a filtering characteristic, pre-equalizer and optical communication equipment (2019-03-12),

13. 10225010 - Method and apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment (2019-03-05),

14. 10171162 - Apparatus and method for measuring frequency response characteristics of optical transmitter and optical receiver (2019-01-01),

15. 10116388 - Apparatus for measuring a filtering characteristic, pre-equalizer and communication equipment (2018-10-30),

Title: The Innovative Journey of Inventor Liang Dou

Introduction: Liang Dou is a visionary inventor hailing from Beijing, China, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Liang Dou holds several patents in the areas of artificial intelligence, renewable energy, and sustainable technologies, showcasing his commitment to creating a more efficient and eco-friendly future.

Career Highlights: With a career spanning over two decades, Liang Dou has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Liang Dou has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to remarkable advancements in various fields.

Conclusion: Liang Dou's relentless pursuit of innovation and his passion for creating solutions to complex challenges make him a true pioneer in the world of technology, inspiring the next generation of inventors to push the boundaries of what is possible.