Kyoto, Japan

Tamio Hayashi

This inventor holds 4 USPTO granted patents. Top assignees: Sumitomo Chemical Company, Limited, Ajinomoto Co., Ltd.. Active years: 1988-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamio Hayashi. Retrieved from https://idiyas.com/inventor/tamio-hayashi

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 = 3.1

ph-index = 3

Forward Citations = 16(Granted Patents)


Location History:

  • Kyoto, JP (1988 - 1992)
  • Sapporo, JP (1996)
  • Shiga, JP (1997)

Company Filing History:


Years Active: 1988-1997

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4 patents (USPTO):Explore Patents

Title: Inventor Tamio Hayashi: A Luminary in Phosphine Compounds

Introduction

Tamio Hayashi, an esteemed inventor based in Kyoto, Japan, has made notable contributions to the field of chemistry, particularly in the development of tertiary phosphine compounds. With a remarkable portfolio of 4 patents, he has established himself as a leading figure in his domain.

Latest Patents

Hayashi's latest innovations include the creation of optically active tertiary phosphine compounds and transition metal complexes. His patent details significant structural formulas, including various configurations for substituents like R, which include hydrogen atoms and alkyl groups, among others. These compounds are recognized for their utility as ligands in transition metal complexes, essential for catalyzing diverse chemical reactions.

Career Highlights

Throughout his professional journey, Hayashi has worked with prominent companies including Sumitomo Chemical Company and Ajinomoto Co., Ltd. His experience in these renowned organizations has further enhanced his expertise and innovation capabilities in the field of organic chemistry.

Collaborations

Tamio Hayashi has collaborated with well-known colleagues such as Yoshihiko Ito and Kazunori Iwakura. These partnerships have likely contributed to the advancement and refinement of his inventive processes, showcasing a strong culture of teamwork in research and development.

Conclusion

As a driving force behind significant advancements in phosphine chemistry, Tamio Hayashi continues to influence the landscape of innovations in the field. His patents not only underscore his inventive genius but also highlight the importance of collaboration and industry experience in the pursuit of scientific breakthroughs.

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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