Kobe, Japan

Yoshihisa Mizumoto

This inventor holds 26 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Electrophotographic Components. Top assignee: Sumitomo Rubber Industries Limited. Active years: 2001-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihisa Mizumoto. Retrieved from https://idiyas.com/inventor/yoshihisa-mizumoto

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

Calculating rank
USPTO Granted Patents = 26 

% Patents Active = 30.8

 

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 60(Granted Patents)


Location History:

  • Akashi, JP (2001)
  • Hyogo, JP (2006 - 2013)
  • Kobe, JP (2002 - 2019)

Company Filing History:


Years Active: 2001-2019

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Areas of Expertise:
Electrically Conductive Rubber
Semiconductive Roller
Developing Roller
Image Forming Apparatus
Toner Transport Roller
Electrophotographic Apparatus
Conductive Elastomer
Rubber Composition
Conductive Member
Thermoplastic Elastomer
Electroconductive Rubber
Rubber Member
26 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Yoshihisa Mizumoto in the Field of Electrically Conductive Materials

Introduction

Yoshihisa Mizumoto, located in Kobe, Japan, is an esteemed inventor recognized for his significant contributions to the field of electrically conductive materials. With an impressive portfolio of 26 patents, Mizumoto has been pivotal in developing innovative solutions for industrial applications.

Latest Patents

Mizumoto's recent patents showcase his commitment to enhancing material performance and functionality. Notably, he has developed an electrically conductive rubber composition designed for producing a more flexible developing roller. This composition avoids the use of expensive ion conductive rubber and materials that may contaminate photoreceptor bodies, ensuring environmental sustainability and efficiency. The rubber component includes styrene-butadiene rubber (SBR), ethylene propylene diene monomer (EPDM), and acrylonitrile butadiene rubber (NBR), among other additives, which contribute to the production of the developing roller. Additionally, he has introduced a semiconductive roller with a reduced friction coefficient, achieved through a crosslinking product of the electrically conductive rubber composition.

Career Highlights

Mizumoto's career has been further distinguished by his work at Sumitomo Rubber Industries Limited, where he has collaborated on groundbreaking projects and innovations. His expertise in materials science has driven the company to achieve advancements in the development of rollers used in printing technologies and other industrial applications.

Collaborations

Throughout his career, Mizumoto has worked alongside esteemed colleagues such as Takashi Marui and Kenichi Kuroda. Their collaboration has fostered a dynamic exchange of ideas, contributing to the development of unique solutions in the field of electrically conductive materials.

Conclusion

Yoshihisa Mizumoto's contributions to innovation in electrically conductive rubber compositions and rollers have marked him as a prominent figure in his field. His patents not only reflect his expertise but also his commitment to advancing technology in a sustainable manner. As such, he remains a valuable asset to Sumitomo Rubber Industries Limited and the broader innovation landscape.

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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