Nara, Japan

Ryoichi Koga

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1986-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Koga. Retrieved from https://idiyas.com/inventor/ryoichi-koga-goiqiboi

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1986-1995

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2 patents (USPTO):Explore Patents

Title: Ryoichi Koga: Innovator in Electric Water Heating Technology

Introduction

Ryoichi Koga is a notable inventor based in Nara, Japan. He has made significant contributions to the field of electric water heating technology. With a total of 2 patents to his name, Koga's work focuses on enhancing the efficiency and functionality of water heating systems.

Latest Patents

Koga's latest patents include an earthquake detecting apparatus and an innovative electric water heating device designed to decrease mineral scale deposition. The electric water heater features an outer cylindrical structure with defined water inlet and outlet openings. It incorporates an inner cylindrical structure that creates an outer passage for water flow. This design allows for improved thermal energy transfer, ensuring that the temperature at both the inner and outer surfaces of the inner cylindrical structure is equalized. This technology helps maintain water at a flow rate that minimizes the likelihood of mineral scale buildup.

Career Highlights

Koga is associated with Matsushita Electric Industrial Co., Ltd., a company renowned for its advancements in electrical appliances and technology. His work has contributed to the development of more efficient water heating solutions, showcasing his commitment to innovation in this field.

Collaborations

Koga has collaborated with notable coworkers such as Takashi Uno and Hiroo Iwabuchi. Their combined expertise has likely played a role in the successful development of Koga's patented technologies.

Conclusion

Ryoichi Koga stands out as an influential inventor in the realm of electric water heating technology. His innovative patents reflect a dedication to improving efficiency and functionality in everyday appliances.

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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