Nishinomiya, Japan

Shigeo Nagasaku

This inventor holds 19 USPTO granted patents, plus 16 CIPO patents and 6 EPO patents, primarily in Threaded Joint Technology. Top assignees: Sumitomo Metal Industries, Inc., Vallourec & Mannesmann Oil & Gas France, Nippon Steel Sumitomo Metal Corporation. Active years: 1992-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Nagasaku. Retrieved from https://idiyas.com/inventor/shigeo-nagasaku

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


% Patents Active = 84.2


 

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 274(Granted Patents)


Location History:

  • Nishihomiya, JP (2009)
  • Osaka, JP (1997 - 2014)
  • Hyogo, JP (2014)
  • Nishinomiya, JP (1992 - 2017)

Company Filing History:


Years Active: 1992-2017

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Areas of Expertise:
Threaded Joint
Steel Pipes
Oil Country Tubular Goods
Ultrasonic Testing
Lubricating Coating
Fastening Evaluation
Frustoconical Screwthreads
Slim-Type Joint
Tubular Joint
Assembly Arrangement
19 patents (USPTO):Explore Patents

Title: The Innovative Mind of Shigeo Nagasaku: A Pioneer in Threaded Joint Technology

Introduction:

Shigeo Nagasaku, a brilliant inventor based in Nishinomiya, Japan, has made a significant mark in the field of threaded joint technology. With an impressive portfolio of 19 patents to his name, Nagasaku's contributions have revolutionized the industry.

Latest Patents:

Nagasaku's recent patents showcase his dedication to enhancing the galling resistance, rust-preventing properties, and airtightness of threaded joints for steel pipes. By introducing elements such as triangular male threads, female threads with modified bevel angles, and solid lubricating coatings, he has set new standards in the sector.

Career Highlights:

Throughout his career, Shigeo Nagasaku has been associated with prestigious companies like Sumitomo Metal Industries, Inc. and Vallourec Mannesmann Oil & Gas France. His expertise and innovative approach have been instrumental in driving forward advancements in the realm of steel pipe technology.

Collaborations:

Nagasaku has had the privilege of collaborating with esteemed professionals in the industry, including Kunio Goto and Masaaki Sugino. Together, they have pooled their knowledge and skills to push the boundaries of threaded joint design and functionality.

Conclusion:

In conclusion, Shigeo Nagasaku's unwavering commitment to innovation and his relentless pursuit of excellence have established him as a trailblazer in the field of threaded joint technology. His patents and collaborations stand as a testament to his exceptional talent and unending passion for creating solutions that inspire and endure.

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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