Yoichiro Tsumura

This inventor holds 15 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 8 EPO patents. Top assignees: Mitsubishi Heavy Industries Limited, Nippon Telegraph and Telephone Corporation, Fast Corporation. Active years: 2011-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichiro Tsumura. Retrieved from https://idiyas.com/inventor/yoichiro-tsumura

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

USPTO Granted Patents = 15 (Patent Applications = 2)

% Patents Active = 73.3

CIPO Patents = 1

EPO Patents = 8 (Patent Applications = 7)

Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 9(Granted Patents)

Location History:

Hiroshima, JP (2011 - 2015)
Tokyo, JP (2014 - 2024)

Company Filing History:

14 out of 4,746

Mitsubishi Heavy Industries Limited

patents

2 out of 5,300

Nippon Telegraph and Telephone Corporation

Mitsubishi-Hitachi Metals Machinery, Inc.

patents

where one patent can have more than one assignee

Years Active: 2011-2024

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12103243 - Welding method (2024-10-01),

2. 12055129 - Lightning protection system for wind turbine blade and wind power generation facility, and monitoring method for wind turbine blade (2024-08-06),

3. 11891978 - Wind turbine blade, monitoring apparatus for wind turbine blade and wind power generating apparatus, and monitoring method for wind turbine blade (2024-02-06),

4. 11519390 - Wind turbine blade including leading edge protector and wind turbine including the wind turbine blade (2022-12-06),

5. 10359778 - Indoor monitoring system and method for structure (2019-07-23),

6. 10156517 - [object Object] (2018-12-18),

7. 10101270 - SO3 analysis method and analysis device (2018-10-16),

8. 9983237 - Lightning current measuring device and lightning current measuring method (2018-05-29),

9. 9005390 - Room temperature bonding apparatus (2015-04-14),

10. 8857487 - Room temperature bonding apparatus (2014-10-14),

11. 8794924 - Rotating body (2014-08-05),

12. 8737719 - Alignment unit control apparatus and alignment method (2014-05-27),

13. 8184303 - Film-thickness measurement method and apparatus therefor, and thin-film device fabrication system (2012-05-22),

14. 8051692 - Shape detection device and shape detection method (2011-11-08),

15. 7907276 - Film quality evaluation method, apparatus therefor, and production system for thin-film device (2011-03-15),

Title: The Innovative Contributions of Yoichiro Tsumura

Introduction

Yoichiro Tsumura is a distinguished inventor based in Tokyo, Japan, recognized for his innovative contributions and significant impact in the field of engineering. With a remarkable portfolio of 15 patents, he has made strides in various technologies, notably in welding methods and lightning protection systems for wind turbine blades.

Latest Patents

Among his latest innovations, Tsumura has developed a novel welding method that involves a unique combination of protective sheets and an energization sheet. This method ensures efficient welding of composite materials by applying voltage through electrode portions, featuring carbon fiber base materials arranged in specific orientations to enhance performance.

Furthermore, he has patented a comprehensive lightning protection system designed for wind turbine blades, which includes crucial components such as a receptor at the blade tip and a metal leading edge protection that ensures electrical connectivity and safety. Additionally, he introduced a monitoring method for assessing the currents in wind turbine blades, enhancing the safety and reliability of wind power generation facilities.

Career Highlights

Throughout his career, Tsumura has worked with notable companies such as Mitsubishi Heavy Industries and Nippon Telegraph and Telephone Corporation. His experiences in these leading firms have honed his skills in engineering and innovation, fueling his advancements in technology.

Collaborations

In his innovative journey, Tsumura has collaborated with esteemed professionals, including Tatsufumi Aoi and Naoto Murata. These partnerships have fostered a creative environment aimed at developing cutting-edge technologies and solutions in their respective fields.

Conclusion

Yoichiro Tsumura stands out as a prominent inventor whose work continues to influence contemporary engineering practices. His dedication to innovation is evident through his numerous patents and collaborative projects, establishing him as a significant figure in the world of technology. As the renewable energy sector grows, his contributions, particularly in wind turbine technology, promise to play a vital role in shaping a sustainable future.

Profile summary based on public USPTO records.