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For the Inventor, By the Inventor

Yokohama, Japan

Katsuyuki Tomonaga

This inventor holds 9 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Sanyo Consumer Electronics Co., Ltd., Panasonic Intellectual Property Management Co., Ltd.. Active years: 2010-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyuki Tomonaga. Retrieved from https://idiyas.com/inventor/katsuyuki-tomonaga

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 223(Granted Patents)


Location History:

  • Yokohama, JP (2010 - 2011)
  • Osaka, JP (2011 - 2023)

Company Filing History:

goldMedal8 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal5 out of 12 
 
Sanyo Consumer Electronics Co., Ltd.
 patents
bronzeMedal1 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2010-2023

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9 patents (USPTO):Explore Patents
1. D984622 - Air purifier (2023-04-25),
2. D675160 - Controller for battery (2013-01-29),
3. D638787 - Battery for an electric bicycle (2011-05-31),
4. D637528 - Controller for electric bicycle (2011-05-10),
5. D632643 - Battery for an electric bicycle (2011-02-15),
6. D625333 - Hub motor for electric bicycle (2010-10-12),
7. D621303 - Electric bicycle (2010-08-10),
8. D621302 - Electric bicycle (2010-08-10),
9. D614084 - Electric bicycle (2010-04-20),

Title: The Innovations of Katsuyuki Tomonaga

Introduction

Katsuyuki Tomonaga is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of technology, holding a total of nine patents. His work primarily focuses on advancements that enhance everyday life through innovative solutions.

Latest Patents

Among his latest patents are an air purifier and a controller for batteries. These inventions reflect his commitment to improving environmental quality and energy efficiency. Tomonaga's patents demonstrate his ability to address contemporary challenges through innovative engineering.

Career Highlights

Throughout his career, Katsuyuki Tomonaga has worked with prominent companies such as Sanyo Electric Co., Ltd. and Sanyo Consumer Electronics Co., Ltd. His experience in these organizations has allowed him to develop and refine his inventive skills, contributing to various technological advancements.

Collaborations

Tomonaga has collaborated with talented individuals in his field, including Yosuke Tanaka and Jura Sawada. These partnerships have fostered a creative environment that encourages the exchange of ideas and innovation.

Conclusion

Katsuyuki Tomonaga's contributions to technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry and improve the quality of life for many.

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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