Anjo, Japan

Kiyozumi Kokawa

This inventor holds 30 USPTO granted patents and 3 published patent applications and 5 EPO patents, primarily in Power Tools. Top assignee: Makita Corporation. Active years: 2001-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyozumi Kokawa. Retrieved from https://idiyas.com/inventor/kiyozumi-kokawa

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

USPTO Granted Patents = 30 

% Patents Active = 96.7

 

Average Co-Inventor Count = 1.9

ph-index = 17

Forward Citations = 767(Granted Patents)


Location History:

  • Chiryu, JP (2005)
  • Mei-gun, JP (2007)
  • Aichi, JP (2013)
  • Anjo, JP (2001 - 2020)

Company Filing History:


Years Active: 2001-2020

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Areas of Expertise:
Power Tool
Charger
Tool Housing
Electric Drill
Ergonomic Handle
Portable Grinder
Battery Pack
Impact Driver
Circular Saw
Vibrator Body
Toolbox
Flashlight
30 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Kiyozumi Kokawa

Introduction: Kiyozumi Kokawa is a distinguished inventor based in Anjo, Japan, known for his remarkable contributions to the field of technology with a portfolio of 30 patents. His innovative designs and solutions are instrumental in enhancing the functionality and efficiency of everyday devices.

Latest Patents: Kiyozumi Kokawa's most recent inventions include an advanced charger that features a pair of right and left fixing holes and strap attachment holes, positioned on the rear surface of the main body housing. This design ensures that the charger does not protrude from the side area in a planar view, while providing durability and compactness. The bottom edge portion of an upper recessed area covers the fixing holes, maintaining the aesthetic and functional integrity of the design.

Career Highlights: Over the years, Kokawa has established himself at Makita Corporation, where he has contributed significantly to the development of innovative tools and technologies. His commitment to pushing the boundaries of design and functionality has made him a valuable asset to the company.

Collaborations: Kiyozumi Kokawa has collaborated with talented coworkers such as Shinsuke Okuda and Hidenori Nagasaka. Their combined expertise has fostered an environment of creativity and innovation, leading to the development of cutting-edge products that set industry standards.

Conclusion: Kiyozumi Kokawa exemplifies the spirit of innovation in his work at Makita Corporation. With a strong foundation of patents and a collaborative approach to design, he continues to influence the technology landscape, inspiring future generations of inventors and innovators.

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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