Himeji, Japan

Naoki Otsuki

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Steel Corporation, Ishikawajima-Harima Jukogyo Kabushiki Kaisha. Active years: 1980-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Otsuki. Retrieved from https://idiyas.com/inventor/naoki-otsuki

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 = 2.7

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1980-1983

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2 patents (USPTO):Explore Patents

Title: Naoki Otsuki: Pioneering Innovations in Metal Heating Technology

Introduction

Naoki Otsuki is a notable inventor based in Himeji, Japan, recognized for his contributions to metal heating technology through his innovative patents. With a total of two patents to his name, Otsuki's work showcases a commitment to enhancing industrial heating processes.

Latest Patents

Otsuki's latest innovations include a **Metal Heating Furnace** and a **Shaft Furnace**. The Metal Heating Furnace features radiant tubes that extend widthwise into the furnace, facilitating the discharge of combustion products directly into the furnace itself. This design allows for the efficient heating of intermediate shapes, such as slabs, to achieve desired rolling temperatures.

His second patent, the Shaft Furnace, introduces a pressure equalizing chamber for the seamless supply of raw materials, such as ores, into the furnace. This furnace design separates its interior into an upper and lower portion via a dividing plate. A pipe path through this plate connects the two areas, forming an internal ore hopper that continuously supplies ore without the need for a separate, pressure-proof external hopper.

Career Highlights

Naoki Otsuki has made significant strides in his career by working with esteemed companies such as Nippon Steel Corporation and Ishikawajima-Harima Jukogyo Kabushiki Kaisha. His tenure at these leading organizations has equipped him with invaluable experience in the field of engineering and manufacturing.

Collaborations

Throughout his career, Otsuki has collaborated with accomplished professionals, including Katsuyoshi Kobayashi and Osamu Takeuchi. Their collective expertise has likely contributed to the success of his inventions and the advancement of technology in the metal processing industry.

Conclusion

Naoki Otsuki stands as a testament to innovation in the field of metal heating technology. His patents not only push the envelope of what is possible in industrial heating but also reflect his dedication to improving manufacturing efficiencies. As industries continue to evolve, Otsuki's contributions will undoubtedly leave a lasting impact on future developments in this vital sector.

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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