Fuji, Japan

Katsushi Ishii

This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsushi Ishii. Retrieved from https://idiyas.com/inventor/katsushi-ishii-b8vl784z

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 = 2.6

ph-index = 3

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1988-1997

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3 patents (USPTO):Explore Patents

Title: Innovations by Katsushi Ishii

Introduction

Katsushi Ishii is a notable inventor based in Fuji, Japan. He has made significant contributions to the field of air conditioning technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and comfort of air conditioning systems.

Latest Patents

One of his latest patents is for an indoor unit for an air-conditioning apparatus. This innovative design features an indoor unit and an outdoor unit connected by refrigerant pipes and electric cables. The indoor unit includes a housing that contains a heat exchanger, a fan device, and a compressor. A partition divides the housing into a fan chamber and a compressor chamber, allowing for a more compact and quieter operation. The outdoor unit is smaller and lighter, reducing noise disturbance in the room.

Another significant patent is for an air-conditioner that permits comfortable sleeping during heating operation. This air-conditioner includes a blower fan, a louver for adjusting the direction of airflow, and a controller for managing various settings. The controller features a temperature shifter that raises the temperature during sleep mode, ensuring that warm air does not directly blow on the user. This design creates a comfortable air-conditioned environment, particularly for users lying close to the floor.

Career Highlights

Katsushi Ishii works at Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His contributions to air conditioning technology have been instrumental in improving user comfort and energy efficiency.

Collaborations

He collaborates with talented coworkers, including Kazuki Suzuki and Masaya Yamazaki, who contribute to the innovative projects at Toshiba.

Conclusion

Katsushi Ishii's work in air conditioning technology exemplifies innovation and dedication to improving user experience. His patents reflect a commitment to creating efficient and comfortable environments.

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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