Tokyo, Japan

Naoki Kato

This inventor holds 33 USPTO granted patents and 4 published patent applications and 5 EPO patents, primarily in Air Conditioning Technology. Top assignees: Seiko Instruments Inc, Nec Display Solutions, Ltd., Nec Infrontia Corporation. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Kato. Retrieved from https://idiyas.com/inventor/naoki-kato-1b13gqvb

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

USPTO Granted Patents = 33 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 275(Granted Patents)


Location History:

  • Koto, JP (1987)
  • Matsudo, JP (1993)
  • Chiba, JP (1998)
  • Tigasaki, JP (2005)
  • Ota-ku, JP (2015)
  • Kawasaki, JP (2015 - 2022)
  • Tokyo, JP (1988 - 2024)

Company Filing History:


Years Active: 1987-2025

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Areas of Expertise:
Air Conditioning Device
Scatter Diagram Display
Authentication Device
Projector
Mobile Telephone
Battery Charger
Ferroelectric Liquid Crystal
Video Display Apparatus
Respiratory Gas Measurement
Color Member Manufacturing
Adaptive Digital Filter
33 patents (USPTO):Explore Patents

Title: Naoki Kato: A Pioneer in Air Conditioning Innovation

Introduction: Naoki Kato is an esteemed inventor based in Tokyo, Japan, with an impressive portfolio of 32 patents to his name. His groundbreaking work primarily focuses on air conditioning technologies, contributing significantly to advancements in efficiency and functionality in this essential field.

Latest Patents: Among his latest innovations is an advanced air conditioning device featuring a refrigerant circuit that incorporates a compressor, a switching valve, a cascade heat exchanger, an expansion valve, and an outdoor heat exchanger. This device enhances the defrosting operation by efficiently introducing refrigerant discharged from the compressor into the outdoor heat exchanger. Additionally, Kato has developed a control device that governs the compressor and pump operation, optimizing heat transfer based on consumption needs. Another notable patent involves a sophisticated air conditioning apparatus that includes multiple heat exchangers and flow rate control valves, providing effective management of heating and defrosting modes, ensuring optimal performance based on real-time environmental conditions.

Career Highlights: Kato has worked with prominent companies such as Seiko Instruments Inc. and NEC Infrontia Corporation, where he harnessed his skills to push the boundaries of air conditioning technology. His role in these organizations allowed him to develop practical solutions to common challenges faced in climate control systems.

Collaborations: Throughout his career, Naoki Kato has collaborated with notable professionals in the industry, including Shuhei Yamamoto and Koji Iwasa. Their joint efforts have enhanced the depth of innovation and technical expertise applied to Kato’s inventions, leading to more effective and reliable air conditioning solutions.

Conclusion: Naoki Kato stands out as a key figure in the evolution of air conditioning technology, thanks to his 32 patents showcasing innovative approaches for improved efficiency and functionality. His dedication to advancing climate control systems not only reflects his inventiveness but also his commitment to enhancing user comfort and energy efficiency in the modern world.

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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