Tokyo, Japan

Seishiro Igarashi

This inventor holds 2 USPTO granted patents. Top assignee: Shimizu Construction Co., Ltd.. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seishiro Igarashi. Retrieved from https://idiyas.com/inventor/seishiro-igarashi

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 = 2.4

ph-index = 2

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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2 patents (USPTO):Explore Patents

Title: Seishiro Igarashi: Innovator in Heat Storage and Freezing Technologies

Introduction

Seishiro Igarashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of heat storage and freezing technologies. With a total of 2 patents, his work showcases innovative solutions that address modern challenges in temperature control and energy efficiency.

Latest Patents

Igarashi's latest patents include a "Production and heat storage system for low-temperature chilled water." This invention features a heat storage tank equipped with a built-in suction chamber, a first heat source unit, and a first pump for efficient water circulation. The system is designed to variably control the flow rates of the pumps based on their suction temperatures, enhancing energy efficiency.

Another significant patent is the "Tube type freezing unit and in-tube freezing method." This invention utilizes an aqueous solution of bromide as a low-temperature heat accumulating material. The design incorporates thin tubes within a shell, allowing for the generation of a sherbet-like slush without freezing, thanks to the unique properties of the bromide solution.

Career Highlights

Seishiro Igarashi is associated with Shimizu Construction Co., Ltd., where he applies his expertise in innovative engineering solutions. His work has contributed to advancements in construction and energy management, making a positive impact on the industry.

Collaborations

Igarashi has collaborated with notable coworkers such as Yoshimi Seya and Masaya Tachibana. Their combined efforts have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Seishiro Igarashi's contributions to heat storage and freezing technologies exemplify the spirit of innovation. His patents reflect a commitment to improving energy efficiency and addressing contemporary challenges in temperature management.

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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