Tokyo, Japan

Kesatsugu Watanabe

This inventor holds 4 USPTO granted patents. Top assignee: Sanyo Denki Co., Ltd.. Active years: 1997-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kesatsugu Watanabe. Retrieved from https://idiyas.com/inventor/kesatsugu-watanabe

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

Calculating rank

% Patents Active = 75.0

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 83(Granted Patents)


Location History:

  • Nagano-ken, JP (1997)
  • Tokyo, JP (2000 - 2003)

Company Filing History:


Years Active: 1997-2003

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4 patents (USPTO):Explore Patents

Title: Kesatsugu Watanabe: Innovator in Fan Technology

Introduction

Kesatsugu Watanabe is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of fan technology, holding a total of 4 patents. His innovative designs focus on enhancing the performance and durability of fan motors, particularly in challenging environments.

Latest Patents

Watanabe's latest patents include a centrifugal fan with a waterproof structure. This design allows for improved waterproof performance without the need for a resin mold, simplifying the overall structure. The fan operates by sucking air from one axial side of a revolving shaft and discharging it radially. The configuration of the casing and impeller blade support creates a labyrinth structure that effectively prevents water intrusion.

Another notable patent is the watertight brushless fan motor. This invention aims to provide a long-lasting brushless fan motor capable of withstanding conditions where water containing oil mist may splash onto it. The motor's components are molded with a durable epoxy resin, ensuring longevity and reliability in harsh environments.

Career Highlights

Watanabe is currently employed at Sanyo Denki Co., Ltd., where he continues to develop innovative fan technologies. His work has significantly impacted the efficiency and reliability of fan motors used in various applications.

Collaborations

Throughout his career, Watanabe has collaborated with notable colleagues, including Osamu Kawakami and Nobuyuki Aoki. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Kesatsugu Watanabe's contributions to fan technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving product performance.

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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