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For the Inventor, By the Inventor

Takarazuka, Japan

Toshio Nagatomi

This inventor holds 6 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1995-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Nagatomi. Retrieved from https://idiyas.com/inventor/toshio-nagatomi

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Takarazuka, JP (1995 - 1997)
  • Toyonaka, JP (1999)

Company Filing History:

goldMedal6 out of 6,961 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1995-1999

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6 patents (USPTO):Explore Patents
1. 5883260 - Process for producing 1-substituted-hydantoins (1999-03-16),
2. 5698702 - Intermediate compound for use in production of dihalopropene compound (1997-12-16),
3. 5684196 - Process of producing 2-iminothiazoline derivatives and process of (1997-11-04),
4. 5648533 - Process of producing 2-iminothiazoline derivatives and process of (1997-07-15),
5. 5530015 - Dihaloprene compound, insecticide/acaricide containing said (1996-06-25),
6. 5463069 - Process of producing 2-iminothiazoline derivatives and process of (1995-10-31),

Title: The Innovations of Toshio Nagatomi

Introduction

Toshio Nagatomi is a notable inventor based in Takarazuka, Japan. He has made significant contributions to the field of chemical processes, holding a total of 6 patents. His work focuses on innovative methods for producing various chemical compounds, showcasing his expertise and creativity in the industry.

Latest Patents

One of his latest patents is a process for producing 1-substituted-hydantoins. This process involves reacting N-substituted-N-alkylcarbonylamino-acetonitrile with alkali metal hydroxides and subsequently treating the mixture with an acid. This innovative method provides a new approach to synthesizing these important compounds. Another significant patent involves an intermediate compound for the production of dihalopropene compounds. This compound exhibits excellent insecticidal and acaricidal action, making it valuable in agricultural applications.

Career Highlights

Toshio Nagatomi is associated with Sumitomo Chemical Company, Limited, where he has contributed to various research and development projects. His work has not only advanced the company's portfolio but has also had a positive impact on the chemical industry as a whole.

Collaborations

Throughout his career, Nagatomi has collaborated with esteemed colleagues such as Yoshimi Yamada and Katuhisa Masumoto. These partnerships have fostered innovation and have led to the successful development of new chemical processes and products.

Conclusion

Toshio Nagatomi's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His innovative approaches continue to influence the industry and pave the way for future advancements.

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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