logo

For the Inventor, By the Inventor

Shinnanyo, Japan

Takumi Kagawa

This inventor holds 15 USPTO granted patents and 1 EPO patent. Top assignees: Tosoh Corporation, Tosoh Finechem Corporation. Active years: 1990-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Kagawa. Retrieved from https://idiyas.com/inventor/takumi-kagawa

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

USPTO Granted Patents = 15

% Patents Active = 80.0


Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Shin-nanyo, JP (1990 - 2005)
  • Yamaguchi-ken, JP (2005 - 2010)
  • Shunan, JP (2007 - 2023)

Company Filing History:

goldMedal15 out of 923 
 
Tosoh Corporation
 patents
silverMedal1 out of 33 
 
Tosoh Finechem Corporation
 patents
where one patent can have more than one assignee

Years Active: 1990-2023

Loading Chart...
Loading Chart...
15 patents (USPTO):Explore Patents
1. 11555024 - Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane) (2023-01-17),
2. 7645889 - Optically active polymaleimide derivatives and process for their production (2010-01-12),
3. 7381742 - Optically active polymaleimide derivatives and process for their production (2008-06-03),
4. 7186750 - Optically active maleimide derivatives, optically active polymaleimide derivatives, process for their production, separating media comprising the optically active polymaleimide derivatives and method of separating optically active compounds using them (2007-03-06),
5. 7169944 - Optically active epoxy compounds and processes for their production (2007-01-30),
6. 6921832 - Optically active fluorine-containing compounds and processes for their production (2005-07-26),
7. 6878835 - Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it (2005-04-12),
8. 6787657 - Optically active epoxypropionate derivative, intermediate thereof and processes for their production (2004-09-07),
9. 6777526 - OPTICALLY ACTIVE MALEIMIDE DERIVATIVES, OPTICALLY ACTIVE POLYMALEIMIDE DERIVATIVES, PRODUCTION METHOD THEREOF, SEPARATING AGENT USING THE SAME DERIVATIVE, AND METHOD FOR SEPARATING OPTICALLY ACTIVE COMPOUNDS USING THE SAME AGENT (2004-08-17),
10. 6680275 - Catalyst for asymmetric epoxidation of enones and process for producing optically active epoxide employing it (2004-01-20),
11. 5994435 - Flame retardant and flame retardant resin composition formulated with (1999-11-30),
12. 5777007 - Brominated p-cumylphenol flame-retardants for resin composition (1998-07-07),
13. 5258521 - Process of producing optically active propionic acid ester derivatives (1993-11-02),
14. 5068336 - Process for producing (1991-11-26),
15. 4940802 - 4,4'-bis(phthalimido)diphenyl sulfone compounds, processes for their (1990-07-10),

Title: The Innovations of Takumi Kagawa

Introduction

Takumi Kagawa is a prominent inventor based in Shinnanyo, Japan, renowned for his significant contributions to the field of chemistry. With a remarkable portfolio of 15 patents, Kagawa's work mainly focuses on innovative chemical processes and materials that have notable industrial applications.

Latest Patents

Kagawa's latest patents showcase his expertise in the chemical manufacturing process. One of his patents details the "Aldehyde adduct of hexafluoropropylene oxide" and a method for producing the trifluoropyruvyl fluoride dimer. This involves a reaction step of combining hexafluoropropylene oxide and aldehyde. Another significant invention is related to "Optically active polymaleimide derivatives and process for their production," which outlines the creation of optically active maleimide derivatives. These derivatives serve as effective separating media for isolating optical and geometrical isomers, primarily through high-performance liquid chromatography.

Career Highlights

Throughout his career, Takumi Kagawa has been associated with notable companies such as Tosoh Corporation and Tosoh Finechem Corporation. His work within these organizations has underscored his commitment to pushing the boundaries of chemical engineering and innovation.

Collaborations

In the course of his professional journey, Kagawa has collaborated with esteemed colleagues Hideo Sakka and Takuya Miyata. Together, they have contributed to advancing research and development in their fields, fostering innovation through teamwork and shared expertise.

Conclusion

Takumi Kagawa’s inventive spirit and groundbreaking advancements in chemical processes highlight his significant role in the industry. His continued efforts in research and development reflect a dedication to innovation that inspires future generations of inventors.

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]
Loading…