Shizuoka, Japan

Natsuko Matsushita

This inventor holds 6 USPTO granted patents and 7 published patent applications and 2 EPO patents. Top assignees: Ricoh Company, Ltd., Mitsubishi Gas Chemical Company, Inc.. Active years: 2014-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Natsuko Matsushita. Retrieved from https://idiyas.com/inventor/natsuko-matsushita

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 = 66.7

 

Average Co-Inventor Count = 3.8

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Tokyo, JP (2017)
  • Shizuoka, JP (2014 - 2021)

Company Filing History:


Years Active: 2014-2021

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6 patents (USPTO):Explore Patents

Title: Natsuko Matsushita: Innovator in Toner Technology

Introduction

Natsuko Matsushita is a prominent inventor based in Shizuoka, Japan. She has made significant contributions to the field of toner technology, holding a total of 6 patents. Her innovative work has advanced the capabilities of image forming apparatuses, making her a notable figure in her industry.

Latest Patents

Matsushita's latest patents include a toner that features a binder resin and a colorant, specifically incorporating Solvent Red 49. This toner has an acid value ranging from 9.0 mgKOH/g to 30.0 mgKOH/g. Another significant patent is for a toner set designed for use in an image forming apparatus, which includes both a fluorescent toner and a color toner. The fluorescent toner consists of a binder resin and a fluorescent agent, while the color toner contains a binder resin and a colorant. The 60-degree gloss value of the solid image of the fluorescent toner is between 10 and 25, and the difference in gloss values between the two toners falls within a range of 10 to 28.

Career Highlights

Throughout her career, Natsuko Matsushita has worked with esteemed companies such as Ricoh Company, Ltd. and Mitsubishi Gas Chemical Company, Inc. Her experience in these organizations has allowed her to refine her expertise in toner technology and contribute to various innovative projects.

Collaborations

Matsushita has collaborated with notable coworkers, including Tetsuya Tanaka and Toyoshi Sawada. These partnerships have further enhanced her work and led to advancements in the field.

Conclusion

Natsuko Matsushita's contributions to toner technology and her impressive portfolio of patents highlight her role as an influential inventor. Her work continues to impact the industry, showcasing her dedication to innovation and excellence.

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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