Yokohama, Japan

Masakazu Tsukada

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Kokan Kabushiki Kaisha. Active years: 1983-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Tsukada. Retrieved from https://idiyas.com/inventor/masakazu-tsukada

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 = 4.8

ph-index = 2

Forward Citations = 62(Granted Patents)


Location History:

  • Yokohama, JP (1983)
  • Tokyo, JP (1989)

Company Filing History:


Years Active: 1983-1989

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2 patents (USPTO):Explore Patents

Title: Masakazu Tsukada: Innovator in Fiber-Reinforced Materials

Introduction

Masakazu Tsukada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of innovative products that enhance performance and durability.

Latest Patents

Tsukada holds 2 patents that showcase his expertise. His latest inventions include a coupling pin for sucker rods made of fiber-reinforced plastic material. This coupling pin features a hole designed for the insertion of the sucker rod and includes multiple annular depressions with tapered surface portions. These portions are arranged in a series that progressively increases in size toward the closed end of the coupling pin hole, optimizing the coupling's performance. Another significant patent is for composite coating steel sheets that exhibit excellent corrosion resistance. This steel sheet combines a plated base with a chromate film and a composite silicate resin film, ensuring durability and paintability.

Career Highlights

Tsukada is associated with Nippon Kokan Kabushiki Kaisha, a company known for its advancements in steel and materials technology. His work has contributed to the company's reputation for innovation and quality in the industry.

Collaborations

Throughout his career, Tsukada has collaborated with talented individuals such as Tomihiro Hara and Masahiro Ogawa. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Masakazu Tsukada's contributions to the field of materials engineering through his patents reflect his commitment to innovation. His work continues to influence the industry, paving the way for future advancements in fiber-reinforced materials and corrosion-resistant technologies.

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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