Sakura, Japan

Katsuji Takahashi

This inventor holds 17 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Energy Curable Compositions. Top assignees: Dainippon Ink and Chemicals, Incorporated, Sun Chemical Corporation, Other. Active years: 1980-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuji Takahashi. Retrieved from https://idiyas.com/inventor/katsuji-takahashi

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

Calculating rank

% Patents Active = 82.4



Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 90(Granted Patents)


Location History:

  • Chiba, JP (1980 - 2004)
  • Sakura, JP (2002 - 2006)

Company Filing History:


Years Active: 1980-2006

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Areas of Expertise:
Epoxy Resin
Energy Curable
Maleimide Derivatives
Flame-Retardant
Thermoplastic Resin
Loudspeaker Diaphragm
Lithographic Printing
Dihydric Phenols
Stereoisomerization
Molded Product
17 patents (USPTO):Explore Patents

Title: Katsuji Takahashi: Innovator in Epoxy Resin Technology

Introduction

Katsuji Takahashi is a prominent inventor based in Sakura, Japan. He has made significant contributions to the field of epoxy resin technology, holding a total of 17 patents. His work focuses on developing advanced materials with enhanced properties for various applications.

Latest Patents

One of his latest patents involves an epoxy resin composition that results in a cured article with a high glass transition temperature and low dissipation factor. This innovative composition utilizes a polyester as a curing agent, which includes an aromatic polyhydroxy compound residue. The unique structure of the curing agent allows for a high crosslink density in the cured article, preventing the formation of highly polar hydroxyl groups during curing. This results in a product that maintains its integrity without releasing low molecular weight carboxylic acids. Additionally, the polyester's bulky structure enhances the solubility of the epoxy resin composition, making it highly effective for various applications. Another notable patent focuses on water-compatible energy curable compositions containing maleimide derivatives, which provide a method for controlling the cure rate of these innovative materials.

Career Highlights

Throughout his career, Katsuji Takahashi has worked with notable companies such as Dainippon Ink and Chemicals, Incorporated and Sun Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in resin technology and contribute to the development of cutting-edge materials.

Collaborations

Katsuji has collaborated with esteemed colleagues, including Yoshinobu Sakurai and Hisatomo Yonehara. These partnerships have fostered innovation and have been instrumental in advancing the field of epoxy resin technology.

Conclusion

Katsuji Takahashi's contributions to epoxy resin technology have established him as a leading inventor in his field. His innovative patents and collaborations reflect his commitment to advancing material science. His work continues to influence the industry and inspire future innovations.

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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