Kawaguchi, Japan

Toshifumi Sekino

This inventor holds 2 USPTO granted patents. Top assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Sekino. Retrieved from https://idiyas.com/inventor/toshifumi-sekino

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


% Patents Active = 100.0

Average Co-Inventor Count = 7.2

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1990

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2 patents (USPTO):Explore Patents

Title: Innovations of Toshifumi Sekino

Introduction

Toshifumi Sekino is a notable inventor based in Kawaguchi, Japan. He has made significant contributions to the field of electrophotography, particularly through his innovative patents. With a total of 2 patents, Sekino's work has advanced the technology used in photoreceptors.

Latest Patents

Sekino's latest patents include an electrophotographic photoreceptor that features an azo compound. This invention provides a photosensitive layer containing an azo compound with at least one azo group coupled with a coupler residuum. The general formula for this compound allows for the formation of substituted or unsubstituted aromatic hydrocarbon rings or aromatic heterocyclic rings. Another patent focuses on an electrophotographic photoreceptor that also comprises an azo compound and a coupler. This invention enhances the functionality of photoreceptors by utilizing specific atomic groups and radicals.

Career Highlights

Toshifumi Sekino is currently employed at Dainichiseika Color & Chemicals Mfg. Co., Ltd. His work at this company has allowed him to explore and develop innovative solutions in the field of color and chemical manufacturing. His contributions have been instrumental in advancing the technology related to electrophotographic processes.

Collaborations

Sekino has collaborated with notable coworkers such as Osamu Suda and Tetsuhiro Umezaki. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Toshifumi Sekino's contributions to the field of electrophotography through his patents demonstrate his expertise and commitment to innovation. His work continues to influence advancements in photoreceptor technology.

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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