Suntou-gun, Japan

Yuka Ishiduka

This inventor holds 51 USPTO granted patents and 11 published patent applications and 22 EPO patents, primarily in Electrophotographic Technology (CPC class G03G). Top assignee: Canon Kabushiki Kaisha. Active years: 2006-2026.

USPTO Granted Patents = 51 

% Patents Active = 78.4

 

Average Co-Inventor Count = 5.7

ph-index = 19

Forward Citations = 868(Granted Patents)

Forward Citations (Not Self Cited) = 484(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suntou-gun, JP (2011 - 2022)
  • Shizuoka, JP (2006 - 2024)

Company Filing History:


Years Active: 2006-2026

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Areas of Expertise:
Electrophotographic Photosensitive Member
Process Cartridge
Image Forming Apparatus
Manufacturing Method
Coating Film-Removing Method
Improved Undercoat Layer
Cylindrical Substrate
Electrophotographic Apparatus
Image Forming Method
Outer Surface Structures
Electrophotographic Photoreceptor
51 patents (USPTO):Explore Patents

Title: **Yuka Ishiduka: A Pioneer in Electrophotographic Innovations**

Introduction

Yuka Ishiduka, based in Suntou-gun, Japan, is a prominent inventor in the field of electrophotographic technology. With an impressive portfolio of 50 patents, he continues to make significant advancements that enhance the efficiency and functionality of electrophotographic systems. His innovative work has established him as a crucial figure in the industry.

Latest Patents

Among Yuka Ishiduka's latest contributions to technology are two pivotal patents related to electrophotographic photosensitive members. The first patent describes an electrophotographic photosensitive member featuring a drum shape, which encompasses a support and a photosensitive layer. Notably, the outer surface of this member exhibits a unique wrinkle pattern. When an observation region is designated on the surface, various reference lines intersect with the wrinkles, demonstrating different intersection angles, contributing to the effectiveness of the photosensitive member.

The second patent details a method for producing this electrophotographic photosensitive member. This method involves forming both a photosensitive layer and a protective layer, emphasizing precise control over the residual solvent levels. By adhering to specific conditions during the heating process, the protective layer is endowed with wrinkle shapes that enhance its performance.

Career Highlights

Yuka Ishiduka's career is marked by his unwavering commitment to advancing electrophotographic technologies. His tenure at Canon Kabushiki Kaisha has enabled him to work at the forefront of innovation, developing patented technologies that redefine industry standards. His expertise and inventive spirit have contributed significantly to the growth and success of the company.

Collaborations

Throughout his career, Yuka Ishiduka has engaged with notable colleagues, including Nobuhiro Nakamura and Atsushi Okuda. Their collaborative efforts have fostered a dynamic working environment that encourages innovation and the sharing of ideas, ultimately leading to groundbreaking advancements in their field.

Conclusion

Yuka Ishiduka stands out as a formidable inventor whose contributions to electrophotographic technology have left a lasting impact on the industry. With his continued dedication and innovative spirit, he is set to further advance the field, highlighting the importance of collaboration and expertise in driving forward technological innovations.

Profile summary based on public USPTO records.
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