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For the Inventor, By the Inventor

Fukuoka, Japan

Hiroshi Tsumagari

This inventor holds 8 USPTO granted patents and 2 published patent applications. Top assignee: Kabushiki Kaisha Yaskawa Denki. Active years: 2011-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tsumagari. Retrieved from https://idiyas.com/inventor/hiroshi-tsumagari

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

USPTO Granted Patents = 8 

% Patents Active = 12.5

Average Co-Inventor Count = 1.4

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Fukuoka, KE (2013)
  • Fukuoka, JP (2011 - 2014)
  • Kitakyushu, JP (2013 - 2015)

Company Filing History:

goldMedal8 out of 1,136 
 
Kabushiki Kaisha Yaskawa Denki
 patents

Years Active: 2011-2015

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8 patents (USPTO):Explore Patents
1. 8937417 - Rotating electric machine and wind power generation system (2015-01-20),
2. 8653709 - Rotating electrical machine, linear motion electrical machine, and wind generator system (2014-02-18),
3. 8638021 - Rotating electrical machine (2014-01-28),
4. 8476781 - Rotating electric machine, wind power generation system and method of manufacturing rotating electric machine (2013-07-02),
5. 8415864 - Rotating electrical machine (2013-04-09),
6. 8334631 - Rotating electrical machine (2012-12-18),
7. 8058761 - Rotating electrical machine (2011-11-15),
8. 7915780 - Laminated spiral core, dynamo-electric-machine rotor provided therewith, and dynamo-electric machine (2011-03-29),

Title: Hiroshi Tsumagari: Innovator in Electric Machine Technology

Introduction

Hiroshi Tsumagari is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of electric machines, holding a total of 8 patents. His innovative designs focus on enhancing the efficiency and functionality of rotating electric machines and wind power generation systems.

Latest Patents

Tsumagari's latest patents include a rotating electric machine and a wind power generation system. The rotating electric machine features a rotor with a rotating shaft portion, a rotor yoke, and a rotor core, which houses multiple permanent magnets arranged circumferentially. This design allows for improved performance and efficiency. Another notable patent is a rotating electrical machine that includes a stator and a rotor, where one component contains a coil and the other features magnetic pole units. This innovative configuration enhances the machine's operational capabilities.

Career Highlights

Hiroshi Tsumagari is currently employed at Kabushiki Kaisha Yaskawa Denki, a leading company in the field of electric machinery. His work has been instrumental in advancing the technology used in electric machines, contributing to the company's reputation for innovation and excellence.

Collaborations

Tsumagari collaborates with talented coworkers, including Daisuke Morishita and Yasuhiro Miyamoto. Their combined expertise fosters a creative environment that drives technological advancements in their projects.

Conclusion

Hiroshi Tsumagari is a distinguished inventor whose work in electric machine technology has led to numerous patents and innovations. His contributions continue to shape the future of energy-efficient machinery.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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