Odawara, Japan

Masakatsu Murayama

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Chemical Corporation. Active years: 1998-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakatsu Murayama. Retrieved from https://idiyas.com/inventor/masakatsu-murayama

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Kanagawa, JP (1998)
  • Odawara, JP (2015)

Company Filing History:


Years Active: 1998-2015

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Masakatsu Murayama: Innovator in Photoconductor Technology

Introduction

Masakatsu Murayama is a notable inventor based in Odawara, Japan. He has made significant contributions to the field of photoconductor technology, holding 2 patents that showcase his innovative approaches to improving the performance and durability of photoconductor drum units.

Latest Patents

Murayama's latest patents include a process for producing an end member and a process for producing a photoconductor drum unit. The first patent describes a method for creating an end member that enhances adhesiveness without the need for grooves or rough surfaces at the fitting portion. This innovation allows for a more efficient joining of a photoconductor drum with an aluminum substrate and a crystalline resin end member using adhesive. The second patent focuses on an electrically-conductive substrate for electrophotographic photoreceptors. This invention addresses the issues of non-uniform dissolution and corrosion resistance, ensuring the stability and improved electrical properties of the photoreceptor.

Career Highlights

Masakatsu Murayama is currently employed at Mitsubishi Chemical Corporation, where he continues to develop cutting-edge technologies in the field of photoconductors. His work has been instrumental in advancing the capabilities of electrophotographic systems.

Collaborations

Murayama has collaborated with esteemed colleagues such as Susumu Taguchi and Toshiyuki Araki, contributing to a rich environment of innovation and research within his organization.

Conclusion

Masakatsu Murayama's contributions to photoconductor technology reflect his dedication to innovation and excellence. His patents not only enhance the performance of photoconductor drum units but also pave the way for future advancements in the field.

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]
Loading…