Kurashiki, Japan

Tsuguhiko Nakagawa

This inventor holds 10 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Kawasaki Seitetsu Kabushiki Kaisha, Otto LLC. Active years: 1993-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuguhiko Nakagawa. Retrieved from https://idiyas.com/inventor/tsuguhiko-nakagawa

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 = 3.4

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Okayama, JP (1994 - 1996)
  • Kurashiki, JP (1993 - 2001)

Company Filing History:


Years Active: 1993-2001

Loading Chart...
10 patents (USPTO):Explore Patents

Title: Tsuguhiko Nakagawa: Pioneering Innovation in Technology

Introduction: Tsuguhiko Nakagawa, a visionary inventor hailing from Kurashiki, Japan, has left an indelible mark on the world of technology with his relentless pursuit of innovation. With a total of 10 patents to his name, Nakagawa's inventive spirit continues to inspire generations of innovators worldwide.

Latest Patents:

1. Method and Apparatus for Cooling Furnace: Nakagawa's patent showcases a method for efficiently cooling a heating furnace during its dormant stage, ensuring a shortened cooling time without causing any damage to the inner furnace refractories. This innovation is particularly beneficial for ceramic fiber furnaces.

2. Method of Continuously Carburizing Metal Strip: This patent focuses on a method for continuously carburizing a metal strip under optimal industrial conditions, achieving desired carburization concentration distribution and rate without generating soot. The method involves monitoring and adjusting carburization conditions to maintain equilibrium levels.

Career Highlights: Nakagawa has made significant contributions to the industry during his tenure at renowned companies such as Kawasaki Steel Corporation and Kawasaki Seitetsu Kabushiki Kaisha. His innovative approach and problem-solving skills have led to groundbreaking advancements in technology.

Collaborations: Throughout his career, Nakagawa has collaborated with esteemed colleagues such as Susumu Okada and Kouichi Hirata. These partnerships have been instrumental in bringing his innovative ideas to fruition and driving technological progress.

Conclusion: Tsuguhiko Nakagawa's dedication to innovation and his pioneering spirit have established him as a standout figure in the realm of inventors. His patented inventions not only showcase his technical expertise but also reflect his commitment to pushing the boundaries of technological possibilities. Nakagawa's legacy serves as a source of inspiration for future generations of innovators, encouraging them to think creatively and shape the future of technology.

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]
Loading…