Hitachi, Japan

Masana Sasaki

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masana Sasaki. Retrieved from https://idiyas.com/inventor/masana-sasaki

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1997-1998

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2 patents (USPTO):Explore Patents

Title: The Innovations of Masana Sasaki

Introduction

Masana Sasaki is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of nuclear engineering, particularly in the development of fuel rods and fuel assemblies. With a total of 2 patents, his work focuses on enhancing the efficiency and cost-effectiveness of nuclear fuel technology.

Latest Patents

Sasaki's latest patents include innovative designs for fuel rods and their manufacturing methods. The first patent details a fuel rod that features a fuel cladding tube with upper and lower end plugs welded to its ends. This design incorporates He gas and U pellets, maintaining a gas pressure of approximately 8 atm. The average crystal grain size of the U pellet is specified to be between 30-60 micrometers. This invention allows for the production of fuel rods at a lower manufacturing cost while preserving the integrity of the fuel, similar to conventional fuel rods.

The second patent focuses on a fuel spacer and fuel assembly. It describes an arrangement where the axial distances between various components are optimized to prevent the spring member from inclining during coolant flow. This design minimizes friction during the insertion of fuel elements, facilitating easier handling and improved operational efficiency.

Career Highlights

Masana Sasaki has worked with prominent companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in nuclear technology.

Collaborations

Throughout his career, Sasaki has collaborated with talented individuals, including Kensuke Tokunaga and Hideki Kurosaki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Masana Sasaki's contributions to the field of nuclear engineering through his patents and collaborations highlight his innovative spirit and dedication to improving fuel technology. His work continues to influence the industry and pave the way for future advancements.

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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