Kanagawa, Japan

Michinori Fukuma

This inventor holds 5 USPTO granted patents and 5 published patent applications and 2 EPO patents. Top assignees: Fujifilm Business Innovation Corp., Fuji Xerox Co., Ltd.. Active years: 2019-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michinori Fukuma. Retrieved from https://idiyas.com/inventor/michinori-fukuma

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 1.7

ph-index = 1


Location History:

  • Kanagawa, JP (2019 - 2024)
  • Ebina, JP (2024)

Company Filing History:


Years Active: 2019-2026

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5 patents (USPTO):Explore Patents

Title: Michinori Fukuma: Innovator in Electrophotographic Technology

Introduction

Michinori Fukuma is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of three patents. His work has been instrumental in advancing the efficiency and effectiveness of imaging systems.

Latest Patents

Fukuma's latest patents include innovations in electrophotographic photoconductors and photoreceptors. One of his notable inventions is an electrophotographic photoconductor that features a conductive substrate and a photoconductive layer. This layer contains a binder resin, a charge transporting material, fluorine-containing resin particles, and an acidic compound. The design ensures that the number of carboxyl groups in the fluorine-containing resin particles is maintained between 0 and 30 per 10 carbon atoms. This invention demonstrates remarkable stability, as it maintains a difference in residual potential of 25 V or less after 10,000 cycles of charging and exposure.

Another significant patent involves an electrophotographic photoreceptor that includes a conductive substrate, an undercoat layer, a charge generation layer, a charge transport layer, and an inorganic protection layer. The charge transport layer is composed of a binder resin and a charge transport material. Notably, the impedance of the charge transport layer is optimized, with a ratio of electrostatic capacitance at 1 Hz to that at 10 Hz being 1.1 or less.

Career Highlights

Fukuma has worked with notable companies in the imaging technology sector, including Fujifilm Business Innovation Corporation and Fuji Xerox Co., Ltd. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in electrophotographic systems.

Collaborations

Throughout his career, Fukuma has collaborated with esteemed colleagues such as Yoichi Kigoshi and Jiro Korenaga. These partnerships have fostered innovation and have been pivotal in the development of his patented technologies.

Conclusion

Michinori Fukuma's contributions to electrophotographic technology have established him as a key figure in the field. His innovative patents reflect a commitment to enhancing imaging systems, and his collaborations further underscore the importance of teamwork in driving technological advancements.

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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