Shijonawate, Japan

Yoshio Tawara

This inventor holds 3 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Electrical Industrial Co., Ltd.. Active years: 1976-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Tawara. Retrieved from https://idiyas.com/inventor/yoshio-tawara-ccbv9hpt

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 = 2.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Location History:

  • Shifyonawate, JA (1976)
  • Shijonawate, JA (1976)
  • Shijyonawate, JP (1978)

Company Filing History:


Years Active: 1976-1978

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3 patents (USPTO):Explore Patents

Title: The Innovations of Yoshio Tawara

Introduction

Yoshio Tawara is a notable inventor based in Shijonawate, Japan. He has made significant contributions to the field of magnetic materials, holding a total of 3 patents. His work has had a profound impact on the development of advanced magnetic technologies.

Latest Patents

Tawara's latest patents include innovations in hard magnetic materials and permanent magnet materials. One of his patents focuses on fine-grained sintered magnetic material with the composition expressed by SmMz, where M is primarily cobalt or a combination of cobalt, iron, and copper. This material exhibits a large coercive force, particularly when the z-value is around 8. Additionally, a small amount of zinc can be added to the raw material to enhance the sintering process. Another patent involves rare earth cobalt magnet materials, which consist of cobalt, manganese, copper, and 12 to 13 mole % of cerium and/or samarium. These magnetic materials demonstrate improved magnetic characteristics, especially with very high values of the maximum energy product.

Career Highlights

Throughout his career, Tawara has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. and Matsushita Electrical Industrial Co., Ltd. His expertise in magnetic materials has positioned him as a key figure in the industry.

Collaborations

Tawara has collaborated with notable individuals in his field, including Harufumi Senno and Harufumi Senn. These collaborations have contributed to the advancement of magnetic technologies and innovations.

Conclusion

Yoshio Tawara's contributions to the field of magnetic materials are significant and impactful. His patents reflect a deep understanding of material science and innovation. His work continues to influence the development of advanced magnetic 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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