Kawanishi, Japan

Kotaro Fukushima

This inventor holds 17 USPTO granted patents and 3 published patent applications, primarily in Electrophotographic Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2006-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kotaro Fukushima. Retrieved from https://idiyas.com/inventor/kotaro-fukushima

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

USPTO Granted Patents = 17 

% Patents Active = 52.9

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Kawanishi, JP (2006 - 2014)
  • Osaka, JP (2012 - 2016)

Company Filing History:


Years Active: 2006-2016

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Areas of Expertise:
Electrophotographic
Photoreceptor
Image Forming Apparatus
Coating Liquid
Photoconductor
Process Cartridge
Titanylphthalocyanine
Surface Energy
17 patents (USPTO):Explore Patents

Title: Kotaro Fukushima: Innovator in Electrophotographic Technology

Introduction

Kotaro Fukushima is a prominent inventor based in Kawanishi, Japan. He has made significant contributions to the field of electrophotography, holding a total of 17 patents. His work focuses on developing advanced photoreceptors and image forming apparatuses that enhance the efficiency and quality of imaging technologies.

Latest Patents

Fukushima's latest patents include innovative designs for electrophotographic photoreceptors. One of his notable inventions is an electrophotographic photoreceptor comprising a multilayered photosensitive layer or a monolayer photosensitive layer. Another significant patent involves an electrophotographic photoreceptor that features a photosensitive layer formed on a conductive substrate. This particular invention incorporates oxygen-containing fluorinated fine particles in its surface layer, which have a specific oxygen composition ratio of 0.9 to 3.0% by atom, as determined by X-ray fluorescence composition analysis.

Career Highlights

Fukushima is associated with Sharp Kabushiki Kaisha Corporation, where he has been instrumental in advancing the company's imaging technologies. His expertise in electrophotographic systems has positioned him as a key figure in the development of innovative imaging solutions.

Collaborations

Fukushima has collaborated with notable colleagues, including Koichi Toriyama and Hisayuki Utsumi. Their combined efforts have contributed to the advancement of technologies in the field of electrophotography.

Conclusion

Kotaro Fukushima's contributions to electrophotographic technology through his numerous patents highlight his innovative spirit and dedication to advancing imaging solutions. His work continues to influence the industry and pave the way for future developments.

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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