Gunma, Japan

Hitoshi Kotajima

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Sawafuji Electric Co., Ltd.. Active years: 1992-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Kotajima. Retrieved from https://idiyas.com/inventor/hitoshi-kotajima

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

Calculating rank

% Patents Active = 50.0


Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 36(Granted Patents)


Company Filing History:


Years Active: 1992-2009

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2 patents (USPTO):Explore Patents

Title: Hitoshi Kotajima: Innovator in Generator Technology and Marine Control Systems

Introduction

Hitoshi Kotajima is a notable inventor based in Gunma, Japan. He has made significant contributions to the fields of generator technology and marine control systems. With a total of 2 patents to his name, his work reflects a commitment to innovation and efficiency.

Latest Patents

Kotajima's latest patents include a "Stator for Outer Rotor Multipole Generator and Method of Assembling the Stator." This invention provides an innovative design for an outer rotor type multi-pole generator stator. It features a lead wire connected by fusing to a connecting terminal, which is designed to prevent slack and facilitate efficient assembly. The design includes a channel in the bobbin that allows for the insertion of electrodes for fusing connections.

Another significant patent is the "Automatic Planing Control System." This system is designed to control the planing angle of a boat powered by an outboard motor. It utilizes sensors to measure the inclination of the propeller and the boat's acceleration. An angle-changing motor is integrated to adjust the angle between the propeller and the boat, ensuring optimal performance and safety.

Career Highlights

Hitoshi Kotajima is currently employed at Sawafuji Electric Co., Ltd., where he continues to develop innovative technologies. His work has been instrumental in advancing the efficiency and functionality of marine and generator systems.

Collaborations

Kotajima collaborates with Kazuyuki Ogiwara, contributing to the development of cutting-edge technologies in their field.

Conclusion

Hitoshi Kotajima's contributions to innovation in generator technology and marine control systems highlight his expertise and dedication to improving efficiency. His patents reflect a forward-thinking approach that continues to influence the industry.

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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