Masahito Tomizawa

This inventor holds 45 USPTO granted patents, plus 9 CIPO patents and 20 EPO patents, primarily in Optical Communication. Top assignees: Nippon Telegraph and Telephone Corporation, Ntt Electronics Corporation, Deutschetelekom Ag. Active years: 1996-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahito Tomizawa. Retrieved from https://idiyas.com/inventor/masahito-tomizawa

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

USPTO Granted Patents = 45

% Patents Active = 100.0

CIPO Patents = 9

EPO Patents = 20 (Patent Applications = 15)

Average Co-Inventor Count = 5.7

ph-index = 8

Forward Citations = 203(Granted Patents)

Location History:

Yokohama, JP (2000 - 2013)
Yokosuka, JP (1996 - 2019)
Kanagawa, JP (2016 - 2020)
Tokyo, JP (2019 - 2023)
Musashino, JP (2015 - 2024)

Company Filing History:

43 out of 5,300

Nippon Telegraph and Telephone Corporation

patents

15 out of 164

Ntt Electronics Corporation

Nippon Telegraph and Telephone Coproration

patent

where one patent can have more than one assignee

Years Active: 1996-2024

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Areas of Expertise:

Transmission Apparatus

Optical Communication

Wavelength Dispersion

Error Correction

Signal Processing

Digital Transmission

Frame Synchronization

Chromatic Dispersion

Optical Transceiver

Data Phase Tracking

Coherent Communication

Multiplexing

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12170607 - Transmission apparatus, transmission system and delay adjustment method (2024-12-17),

2. 12119867 - Transmission apparatus and transmission method (2024-10-15),

3. 11923862 - Transmission apparatus and transmission system (2024-03-05),

4. 11916685 - Transmission apparatus and transmission method (2024-02-27),

5. 11683093 - Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program (2023-06-20),

6. 11671119 - Signal processing apparatus and signal processing method (2023-06-06),

7. 11329764 - Error correction device, error correction method, and optical communication system (2022-05-10),

8. 11323238 - Frame synchronization apparatus, optical communication apparatus, and frame synchronization method (2022-05-03),

9. 11201721 - Frame synchronization apparatus, optical communication apparatus, and frame synchronization method (2021-12-14),

10. 10880193 - Error correction device, error correction method, and communication device (2020-12-29),

11. 10868617 - Chromatic dispersion compensation device, chromatic dispersion compensation method, and communication device (2020-12-15),

12. 10608743 - Transmission characteristic compensation apparatus, transmission characteristic compensation method, and communication apparatus (2020-03-31),

13. 10523335 - Known signal detection method (2019-12-31),

14. 10419127 - Phase compensation device, phase compensation method and communication apparatus (2019-09-17),

15. 10374718 - Optical transmission distortion compensation device, optical transmission distortion compensation method, and communication device (2019-08-06),

Title: Masahito Tomizawa: Innovating Transmission Systems

Introduction

Masahito Tomizawa is a prolific inventor based in Yokosuka, Japan, holding an impressive portfolio of 45 patents. His work primarily revolves around enhancing transmission systems, showcasing his expertise in communication technologies.

Latest Patents

Among his latest innovations, Tomizawa has developed several groundbreaking patents, including a "Transmission apparatus, transmission system and delay adjustment method." This invention enables efficient communication between transmission apparatuses by employing both active and standby system paths. The apparatus is equipped with a memory designed to accommodate delays caused by maximum path differences, ensuring optimal performance. Another notable patent is the "Transmission apparatus and transmission method," which features a control unit that secures resources for a standby system in response to failures within the active system path. These inventions highlight Tomizawa's commitment to advancing communication technology.

Career Highlights

Throughout his career, Masahito Tomizawa has contributed significantly to the field of telecommunications by working with leading companies such as Nippon Telegraph and Telephone Corporation and NTT Electronics Corporation. His experience in these organizations has allowed him to develop innovative solutions that address real-world challenges in communication systems.

Collaborations

Tomizawa's collaborations with notable colleagues such as Yoshiaki Kisaka and Etsushi Yamazaki have further fueled his innovative spirit. Together, they have explored new ideas and pushed the boundaries of technology in their pursuit of excellence.

Conclusion

Masahito Tomizawa's remarkable contributions to transmission systems have solidified his reputation as a leading inventor in the telecommunications industry. With a strong foundation in innovative technology and substantial patent holdings, his work continues to benefit the field and inspire future generations of inventors.

Profile summary based on public USPTO records.