Wakayama, Japan

Kouji Ishikawa

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Ishikawa. Retrieved from https://idiyas.com/inventor/kouji-ishikawa-jtmvvfud

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

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Kouji Ishikawa: Innovator in Air Conditioning Technology

Introduction

Kouji Ishikawa is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of air conditioning technology. His innovative designs have led to advancements that enhance the efficiency and functionality of air conditioning systems.

Latest Patents

Kouji Ishikawa holds a patent for an air conditioning apparatus. This apparatus features a switching valve that directs the flow of refrigerant from a compressor, enabling cooling, heating, or defrosting operations. The design includes an outdoor heat exchanger for effective heat exchange with air, an indoor heat exchanger for fluid heat exchange, and an oil separator to prevent compressor failure due to refrigerant oil shortage. This innovative approach ensures the reliability and efficiency of air conditioning systems.

Career Highlights

Kouji Ishikawa is associated with Mitsubishi Denki Kabushiki Kaisha, a leading company in the electronics and electrical equipment sector. His work has been instrumental in developing advanced air conditioning solutions that cater to modern needs.

Collaborations

Kouji has collaborated with notable coworkers such as Yoshinobu Igarashi and Hidekazu Tani. Their combined expertise has contributed to the successful development of innovative technologies in the air conditioning field.

Conclusion

Kouji Ishikawa's contributions to air conditioning technology exemplify the importance of innovation in enhancing everyday comfort. His patent reflects a commitment to improving system efficiency and reliability.

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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