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For the Inventor, By the Inventor

Hiroshima, Japan

Masayuki Kinugasa

This inventor holds 8 USPTO granted patents. Top assignees: Nisshin Steel Co., Ltd., Shinsei Kogyo Company, Ltd.. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Kinugasa. Retrieved from https://idiyas.com/inventor/masayuki-kinugasa

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 61(Granted Patents)


Location History:

  • Shin-Nanyo, JA (1976 - 1977)
  • Shin-Nanyo, JP (1978)
  • Kure, JP (1992)
  • Hiroshima, JP (1993 - 1994)

Company Filing History:

goldMedal8 out of 342 
 
Nisshin Steel Co., Ltd.
 patents
silverMedal1 out of 13 
 
Shinsei Kogyo Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-1994

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8 patents (USPTO):Explore Patents
1. 5304259 - Chromium containing high strength steel sheet excellent in corrosion (1994-04-19),
2. 5265919 - Pipe joint made of stainless steel and method of making the same (1993-11-30),
3. 5198041 - Shape memory stainless steel excellent in stress corrosion cracking (1993-03-30),
4. 5178687 - Chromium containing steel sheet excellent in corrosion resistance and (1993-01-12),
5. 5114799 - Material for roofing and facing (1992-05-19),
6. 4108641 - Oxidation-resisting austenitic stainless steel (1978-08-22),
7. 4063935 - Oxidation-resisting austenitic stainless steel (1977-12-20),
8. 3989514 - Heat-resisting austenitic stainless steel (1976-11-02),

Title: Masayuki Kinugasa: Innovator in High Strength Steel Technology

Introduction

Masayuki Kinugasa is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of materials science, particularly in the development of high strength steel sheets. With a total of 8 patents to his name, Kinugasa's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is for a chromium-containing high strength steel sheet that exhibits excellent corrosion resistance and workability. This innovative steel sheet has a tensile strength of at least 40 kgf/mm² and comprises specific weight percentages of various elements, including chromium, nickel, and manganese. Another notable patent involves a pipe joint made of stainless steel and the method of making the same, showcasing his expertise in advanced materials.

Career Highlights

Throughout his career, Kinugasa has worked with reputable companies such as Nisshin Steel Co., Ltd. and Shinsei Kogyo Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in steel technology.

Collaborations

Kinugasa has collaborated with notable coworkers, including Takashi Igawa and Tokio Fujioka. These partnerships have fostered a creative environment that has led to innovative solutions in the field of materials science.

Conclusion

Masayuki Kinugasa's contributions to high strength steel technology and his numerous patents highlight his role as a leading inventor in the industry. His work continues to influence advancements in materials science and engineering.

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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