Aichi, Japan

Kunio Hayakawa

This inventor holds 2 USPTO granted patents. Top assignees: Daido Steel Sheet Corp., Stem, Inc.. Active years: 1994-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Hayakawa. Retrieved from https://idiyas.com/inventor/kunio-hayakawa-m7cbl47b

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1994-1995

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2 patents (USPTO):Explore Patents

Title: **Kunio Hayakawa: Innovator in Corrosion Resistance Coating Technologies**

Introduction

Kunio Hayakawa, a prominent inventor based in Aichi, Japan, has made significant contributions in the field of corrosion resistance through innovative alloy coatings. With two patents to his name, Hayakawa's work is characterized by his dedication to enhancing the durability and longevity of ferrous products used in various industries.

Latest Patents

Hayakawa's latest patents focus on the development of an advanced coating process for ferrous materials. The first patent details a "Process for coating ferrous product with Al-Zn-Si alloy." This process entails forming an alloy coat comprised of an Al-Zn-Si-Fe layer that exhibits exceptional corrosion resistance. The coating composition includes 55 to 65 wt % of Al, 25 to 35 wt % of Zn, 5 to 10 wt % of Fe, and 2 to 4 wt % of Si. Notably, the alloy layer covers 15 to 90% of the entire cross-sectional area of the coating.

The second patent, titled "Al-Zn-Si base alloy coated product," elaborates on the alloy coating's formation. The process involves dipping the ferrous material into a molten zinc bath to create an undercoat, followed by dipping the undercoat into a molten bath of Al, Zn, and Si to establish the final alloy coat. This innovative approach ensures that the ferrous base material significantly contributes to the corrosion-resistant properties of the final product.

Career Highlights

Throughout his career, Kunio Hayakawa has worked with renowned companies such as Daido Steel Sheet Corporation and Stem, Inc. His expertise in coating technologies has established him as a respected figure in the industry, particularly in enhancing the performance of ferrous materials.

Collaborations

Hayakawa has collaborated with notable coworkers, including Masanori Takeda and Youichiro Suzuki, to advance research in alloy technologies. These partnerships have contributed to successful projects and innovative solutions in corrosion resistance applications, further emphasizing the importance of collaboration in the field of invention.

Conclusion

Kunio Hayakawa’s innovative patents and career achievements underscore his vital role in the development of advanced coatings for ferrous products. His dedication and groundbreaking advancements continue to make a significant impact in industries that rely on durable materials, showcasing the importance of innovation in enhancing product longevity and performance.

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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