Etsushi Yamazaki

This inventor holds 44 USPTO granted patents and 15 published patent applications, plus 13 CIPO patents and 18 EPO patents, primarily in Optical Communication. Top assignees: Nippon Telegraph and Telephone Corporation, Ntt Electronics Corporation. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Etsushi Yamazaki. Retrieved from https://idiyas.com/inventor/etsushi-yamazaki

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

Calculating rank

USPTO Granted Patents = 44 (Patent Applications = 15)

% Patents Active = 100.0

CIPO Patents = 13

EPO Patents = 18 (Patent Applications = 17)

Average Co-Inventor Count = 6.8

ph-index = 4

Forward Citations = 104(Granted Patents)

Location History:

Yokosuka, JP (2013 - 2019)
Yokohama, JP (2019)
Kanagawa, JP (2018 - 2020)
Musashino, JP (2015 - 2023)
Tokyo, JP (2021 - 2023)

Company Filing History:

43 out of 5,300

Nippon Telegraph and Telephone Corporation

patents

16 out of 164

Ntt Electronics Corporation

patents

where one patent can have more than one assignee

Years Active: 2013-2025

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Areas of Expertise:

Optical Wireless Communication

Adaptive Equalization

Error Correction

Wavelength Dispersion

Signal Processing

Frame Synchronization

Chromatic Dispersion

Coherent Communication

Transmission Method

Optical Transceiver

Data Phase Tracking

Optical Signal Synchronization

44 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12224889 - Adaptive equalization filter and method for updating filter coefficients (2025-02-11),

2. 12224797 - Optical wireless communication device and optical wireless communication method (2025-02-11),

3. 12206458 - Communication apparatus and optical communication system (2025-01-21),

4. 12206450 - Phase difference distribution estimation method and phase difference distribution estimation apparatus (2025-01-21),

5. 12149285 - Optical wireless communication system and optical wireless communication method (2024-11-19),

6. 11799547 - Signal processing apparatus, signal processing method, and program (2023-10-24),

7. 11671119 - Signal processing apparatus and signal processing method (2023-06-06),

8. 11349572 - Optical transmission system, optical transmitting apparatus, and optical receiving apparatus (2022-05-31),

9. 11329764 - Error correction device, error correction method, and optical communication system (2022-05-10),

10. 11323238 - Frame synchronization apparatus, optical communication apparatus, and frame synchronization method (2022-05-03),

11. 11316588 - Wavelength dispersion compensation apparatus, wavelength dispersion compensation method, and optical receiving apparatus (2022-04-26),

12. 11251870 - Optical transmission system (2022-02-15),

13. 11201721 - Frame synchronization apparatus, optical communication apparatus, and frame synchronization method (2021-12-14),

14. 10880193 - Error correction device, error correction method, and communication device (2020-12-29),

15. 10868617 - Chromatic dispersion compensation device, chromatic dispersion compensation method, and communication device (2020-12-15),

Title: Inventor Etsushi Yamazaki: Pioneering Innovations in Yokosuka

Introduction: Etsushi Yamazaki is a renowned inventor based in Yokosuka, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Etsushi Yamazaki holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to innovation.

Career Highlights: With over two decades of experience in the industry, Etsushi Yamazaki has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges.

Collaborations: Throughout his career, Etsushi Yamazaki has collaborated with top companies and inventors worldwide, fostering a culture of creativity and excellence in the pursuit of technological advancement.

Conclusion: Etsushi Yamazaki's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in Yokosuka and beyond.

Profile summary based on public USPTO records.