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For the Inventor, By the Inventor

Chiba, Japan

Takahisa Yoshihara

This inventor holds 7 USPTO granted patents. Top assignee: Kawasaki Steel Corporation. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahisa Yoshihara. Retrieved from https://idiyas.com/inventor/takahisa-yoshihara

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 62(Granted Patents)


Location History:

  • Chiba, J (1976)
  • Chiba, JA (1977)
  • Chiba, JP (1983 - 1986)

Company Filing History:

goldMedal7 out of 1,256 
 
Kawasaki Steel Corporation
 patents

Years Active: 1976-1986

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7 patents (USPTO):Explore Patents
1. 4569731 - Production of Zn-Ni alloy plated steel strips (1986-02-11),
2. 4541903 - Process for preparing Zn-Fe base alloy electroplated steel strips (1985-09-17),
3. 4500400 - Counter flow device for electroplating apparatus (1985-02-19),
4. 4477491 - One-side zinc hot dipping process using an anti-plating agent (1984-10-16),
5. 4404030 - Anti-plating agent for one-side hot-dip plating process (1983-09-13),
6. 4036600 - Steel substrate electroplated with Al powder dispersed in Zn (1977-07-19),
7. 3997301 - Tin-electroplated steel sheets and method for making them (1976-12-14),

Title: The Innovations of Takahisa Yoshihara

Introduction

Takahisa Yoshihara is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of electroplating, particularly in the production of alloy plated steel strips. With a total of 7 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

Yoshihara's latest patents include innovative processes for the production of Zn-Ni alloy plated steel strips. This process involves electrogalvanizing steel strips with a Zn-Ni alloy deposit, ensuring a consistent nickel content over time. The method utilizes separate Zn and Ni soluble anodes in a chloride plating bath, optimizing the Ni/(Zn+Ni) ratio and the total molar amount of Zn and Ni. Another notable patent is for the preparation of Zn-Fe base alloy electroplated steel strips. This process allows for the electroplating of steel strips with a Zn-Fe base alloy, containing 10 to 30% by weight of iron, under specific electrolytic conditions.

Career Highlights

Yoshihara is associated with Kawasaki Steel Corporation, where he has been instrumental in advancing electroplating technologies. His expertise in alloy plating has positioned him as a key figure in the development of innovative steel products.

Collaborations

Throughout his career, Yoshihara has collaborated with notable colleagues, including Akira Matsuda and Akira Komoda. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Takahisa Yoshihara's contributions to the field of electroplating and alloy production have established him as a leading inventor in his domain. His patents reflect a commitment to advancing technology and improving industrial processes.

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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