Aichi, Japan

Akira Sanjoh

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1987-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Sanjoh. Retrieved from https://idiyas.com/inventor/akira-sanjoh-71a8s52w

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 40(Granted Patents)


Location History:

  • Aichi, JP (1987 - 1988)
  • Kawasaki, JP (1988)

Company Filing History:


Years Active: 1987-1988

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4 patents (USPTO):Explore Patents

Title: Akira Sanjoh: Innovator in Electrophotographic Technology

Introduction

Akira Sanjoh is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 4 patents. His work focuses on enhancing the sensitivity and efficiency of photosensitive members used in electrophotographic applications.

Latest Patents

One of his latest patents involves an electrophotographic photosensitive member that comprises a conductive substrate, a blocking layer, a photoconductive layer, and a surface layer. The blocking layer is made from microcrystalline silicon, heavily doped to become p-type. The photoconductive layer is formed from lightly doped amorphous silicon, which shares properties with intrinsic semiconductors. This design allows for a high sensitivity range from visible light to near-infrared light. Another patent details an electrophotographic photosensitive member utilizing microcrystalline silicon, featuring a barrier layer on a conductive substrate. This innovative structure enhances sensitivity to long-wavelength light and improves dark resistance and chargeability.

Career Highlights

Akira Sanjoh is associated with Kabushiki Kaisha Toshiba, where he has been instrumental in advancing electrophotographic technologies. His expertise in semiconductor materials and their applications has positioned him as a key figure in the industry.

Collaborations

He has collaborated with notable coworkers, including Shuji Yoshizawa and Wataru Mitani, contributing to various projects that push the boundaries of electrophotographic technology.

Conclusion

Akira Sanjoh's innovative work in electrophotographic technology and his contributions to the field through his patents highlight his importance as an inventor. His advancements continue to influence the development of more efficient and sensitive photosensitive members.

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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