Kobe, Japan

Takashi Marui

This inventor holds 12 USPTO granted patents and 1 published patent application. Top assignee: Sumitomo Rubber Industries Limited. Active years: 2011-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Marui. Retrieved from https://idiyas.com/inventor/takashi-marui

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

USPTO Granted Patents = 12 

% Patents Active = 25.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Hyogo, JP (2011 - 2012)
  • Kobe, KR (2016)
  • Kobe, JP (2012 - 2019)

Company Filing History:


Years Active: 2011-2019

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12 patents (USPTO):Explore Patents

Title: The Innovative Mind of Takashi Marui

Introduction

Takashi Marui, an esteemed inventor based in Kobe, Japan, has made significant contributions to the field of materials science and engineering through his inventive prowess. With a remarkable portfolio that includes 12 patents, Marui's innovative spirit has led to advancements in electrically conductive materials and developing rollers.

Latest Patents

Among his latest inventions, Takashi Marui has developed an electrically conductive rubber composition that stands out for its unique formulation. This rubber composition is devoid of expensive ion conductive components and softening agents, making it more environmentally friendly while offering enhanced flexibility for developing rollers. Furthermore, he has also patented a semiconductive roller designed for use as a developing roller, boasting an outer surface with reduced friction, achieved without the need for ultraviolet irradiation. This roller is manufactured from a crosslinking product of the conductive rubber composition.

Career Highlights

Marui is notably associated with Sumitomo Rubber Industries Limited, a company renowned for its innovative approaches in the rubber and materials industry. His work focuses on developing materials that meet the demands of modern technology while improving usability and efficiency.

Collaborations

Throughout his career, Takashi Marui has collaborated with notable coworkers, including Yoshihisa Mizumoto and Kei Tajima. These partnerships have fostered a creative environment, leading to the development of groundbreaking solutions in the field of rubber technologies.

Conclusion

With his impressive portfolio and relentless pursuit of innovation, Takashi Marui continues to impact the industry significantly. His advancements in electrically conductive materials not only showcase his ingenuity but also pave the way for future developments in related technologies. As he progresses in his career, Marui's contributions will undoubtedly inspire future generations of inventors and engineers.

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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