Hachioji, Japan

Hiroshi Yoshioka

This inventor holds 3 USPTO granted patents. Top assignee: Konica Corporation. Active years: 1991-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yoshioka. Retrieved from https://idiyas.com/inventor/hiroshi-yoshioka-ekbxacp1

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 = 4.3

ph-index = 3

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1991-1993

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3 patents (USPTO):Explore Patents

Title: Hiroshi Yoshioka: Innovator in Electrophotographic Technology

Introduction

Hiroshi Yoshioka is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of photoreceptors used in laser printers.

Latest Patents

Yoshioka's latest patents include innovative designs for electrophotographic photoreceptors. One of his patents describes an electrophotographic photoreceptor that contains a light-sensitive layer with a titanylphthalocyanine exhibiting specific crystalline characteristics. This photoreceptor is noted for its high sensitivity across a broad wavelength region, particularly in the near-infrared range, making it suitable for laser printing applications. Another patent details an electrophotographic photoreceptor with a light-sensitive layer formed on an electroconductive base. This design improves the dispersion of a titanyl phthalocyanine pigment, which is crucial for enhancing the photoreceptor's performance.

Career Highlights

Yoshioka is currently employed at Konica Corporation, where he continues to develop cutting-edge technologies in electrophotography. His work has been instrumental in advancing the capabilities of laser printing systems, contributing to the efficiency and quality of printed materials.

Collaborations

Yoshioka has collaborated with notable colleagues, including Yoshihide Fujimaki and Yasuhiro Oda. Their combined expertise has fostered innovation and progress in the field of electrophotographic technology.

Conclusion

Hiroshi Yoshioka's contributions to electrophotographic technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence the development of advanced printing solutions.

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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