Kusatsu, Japan

Hachiro Koma

This inventor holds 4 USPTO granted patents, plus 1 CIPO patent. Top assignees: Matsushita Refrigeration Company, Matsushita Electric Industrial Co., Ltd.. Active years: 1986-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hachiro Koma. Retrieved from https://idiyas.com/inventor/hachiro-koma

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


% Patents Active = 100.0


Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 1986-1992

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4 patents (USPTO):Explore Patents

Title: Hachiro Koma: Innovator in Heat Exchanger Technology

Introduction

Hachiro Koma is a notable inventor from Kusatsu, Japan, recognized for his contributions to heat exchanger technology. With a total of 4 patents to his name, Koma has made significant advancements in the design and functionality of fin-tube type heat exchangers. His work has had a lasting impact on the efficiency of air conditioning systems and other applications.

Latest Patents

Koma's latest patents include innovative designs for fin-tube type heat exchangers. One of his notable inventions features a large number of plate fins arranged in parallel, allowing an air stream to flow between them. The heat exchanging tubes, which extend through the plate fins, are designed to optimize heat transfer. Another patent describes a fin tube heat exchanger that incorporates raised strips on each fin plate, enhancing airflow and fluid medium passage. These advancements demonstrate Koma's commitment to improving energy efficiency in thermal systems.

Career Highlights

Throughout his career, Hachiro Koma has worked with prominent companies such as Matsushita Refrigeration Company and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in the field of heat exchangers.

Collaborations

Koma has collaborated with talented individuals in his field, including Kaoru Kato and Masashi Kawai. These partnerships have fostered a creative environment that has led to the development of advanced technologies in heat exchange systems.

Conclusion

Hachiro Koma's contributions to heat exchanger technology have established him as a key figure in the industry. His innovative designs and collaborative efforts continue to influence the efficiency of thermal systems today.

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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