Kainan, Japan

Hirotsugu Nakaike

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent. Top assignee: Sumitomo Metal Industries, Inc.. Active years: 2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotsugu Nakaike. Retrieved from https://idiyas.com/inventor/hirotsugu-nakaike

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 = 4.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2006

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1 patent (USPTO):Explore Patents

Title: The Innovations of Hirotsugu Nakaike: A Pioneer in Seamless Metallic Tube Production

Introduction: Hirotsugu Nakaike, an esteemed inventor based in Kainan, Japan, has made significant contributions to the field of metallurgy through his innovative techniques in the production of seamless metallic tubes. His groundbreaking work has garnered recognition within the industry, particularly through his unique approach to enhancing manufacturing processes.

Latest Patents: Nakaike holds one notable patent titled "Making Method for Seamless Metallic Tube". This patent presents a novel method utilizing a tilting roll type piercing rolling mill known as a piercer. The invention addresses key challenges in the production process by significantly suppressing the rotary forging effect and circumferential shearing strain, which often lead to inside defects. By strengthening the plug nose rolling portion, the method improves product quality and increases productivity, making it applicable to a wide range of pressing rolling processes in the seamless metallic tube industry.

Career Highlights: Hirotsugu Nakaike is associated with Sumitomo Metal Industries, Inc., where he has leveraged his expertise to advance manufacturing techniques. His dedication to innovation has played a critical role in enhancing the efficiency and quality of metal tube production, aligning with the company's commitment to excellence.

Collaborations: Throughout his career, Nakaike has collaborated with esteemed colleagues, including Kazuhiro Shimoda and Tomio Yamakawa. Together, they have contributed to pioneering advancements in metalworking and have fostered an environment of innovation within their field.

Conclusion: Hirotsugu Nakaike's work exemplifies the spirit of innovation in the manufacturing industry. His patent for a making method of seamless metallic tubes not only improves production quality but also reflects a commitment to solving complex engineering challenges. As technology continues to evolve, inventors like Nakaike remain at the forefront, ensuring that advancements pave the way for future innovations in metallurgy.

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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