Fuji, Japan

Keiichi Kato

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Carrier Japan Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Kato. Retrieved from https://idiyas.com/inventor/keiichi-kato-arw42l7n

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Keiichi Kato: Pioneering Innovations in Motor Drive Technology

Introduction

Keiichi Kato, an inventive mind based in Fuji, Japan, has made significant contributions to the field of motor drive technology. With a total of two patents to his name, Kato is at the forefront of innovations that enhance the efficiency and control of motor systems. His expertise is instrumental in the continued advancement of electrical engineering applications.

Latest Patents

Kato's latest patent, the **Open Winding Motor Driving Device**, presents a sophisticated approach to motor control. This device utilizes a primary-side inverter connected to three output terminals of a motor featuring an open winding structure. The motor includes windings of three independent phases, while a secondary-side inverter connects to the remaining terminals. The system is designed to supply direct current power to the inverters, where a control device performs Pulse Width Modulation (PWM) control based on a unique switching pattern. This innovation ensures optimized performance by maintaining an equal number of phases that are turned on, thereby enhancing the functioning of the motor.

Another noteworthy patent from Kato is the **Motor Drive Apparatus**. This embodiment outlines a cutting-edge motor drive system capable of managing motors with multiple phase windings, all in a mutually unconnected state. The apparatus features first and second inverters—each a module designed to house a switching circuit and a drive circuit within a single package. These modules are configured identically and are positioned on a circuit board to enhance efficiency and reliability in motor operations.

Career Highlights

Throughout his career at Carrier Japan Corporation, Keiichi Kato has demonstrated exceptional skill and innovation in the field of electrical engineering. His work focuses on developing advanced motor technologies that are both efficient and reliable, making significant impacts in various applications. Kato’s patents testify to his commitment to driving forward the boundaries of electrical motor design and control.

Collaborations

Kato collaborates with talented professionals in the field, including colleagues Kenta Yamamoto and Masaki Kanamori. Together, they form a dynamic team that fosters innovation and creativity, contributing to groundbreaking projects within their organization. This collaboration enhances the development process and drives collective success in advancing motor technologies.

Conclusion

Keiichi Kato's contributions to the world of motor drive technology exemplify the power of innovation. His patents reflect a deep understanding of electrical engineering principles and a commitment to improving motor efficiency and performance. As he continues to collaborate and innovate, Kato is undoubtedly a key figure in the ongoing evolution of technology in this essential field.

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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