Hikone, Japan

Ryoji Fujino

This inventor holds 1 USPTO granted patent. Top assignees: Lihit Seiko Co., Ltd., Shimadzu Mekutemu Kabushiki Kaisya. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Fujino. Retrieved from https://idiyas.com/inventor/ryoji-fujino

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Ryoji Fujino: Innovator in Nitriding Technology

Introduction

Ryoji Fujino is a notable inventor based in Hikone, Japan. He has made significant contributions to the field of nitriding technology, particularly through his innovative methods and apparatus.

Latest Patents

Fujino holds a patent for a composite diffusion type nitriding method. This method and its corresponding apparatus are designed to effectively nitride various materials, including machine parts and materials that are typically challenging to treat using conventional methods. The composite diffusion nitriding apparatus consists of a container filled with solid granular materials, a furnace for housing the container, a nitriding gas introduction path, and an exhausting path for gas removal. In this method, the material to be nitrided is placed within the solid granular materials, and the nitriding gas is supplied to flow through these materials, facilitating the nitriding process.

Career Highlights

Throughout his career, Ryoji Fujino has worked with reputable companies, including Lihit Seiko Co., Ltd. and Shimadzu Mekutemu Kabushiki Kaisya. His experience in these organizations has contributed to his expertise in the field of nitriding technology.

Collaborations

Fujino has collaborated with notable individuals in his field, including Hideto Fujita and Masami Takei. These collaborations have likely enriched his work and expanded the impact of his innovations.

Conclusion

Ryoji Fujino's contributions to nitriding technology through his patented methods and apparatus demonstrate his commitment to advancing industrial processes. His work continues to influence the field and showcases the importance of innovation in engineering.

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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