Mitaka, Japan

Hiroshi Tsuda

This inventor holds 28 USPTO granted patents, primarily in Electrophotographic Technology. Top assignee: Olympus Optical Company, Ltd.. Active years: 1977-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tsuda. Retrieved from https://idiyas.com/inventor/hiroshi-tsuda-7iexjpge

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 = 3.2

ph-index = 8

Forward Citations = 188(Granted Patents)


Location History:

  • Mitaka, JA (1977 - 1978)
  • Mitaka, JP (1979 - 1985)

Company Filing History:


Years Active: 1977-1985

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Areas of Expertise:
Electrophotographic Apparatus
Document Feed Control
Toner Cleaning Device
Collator
Electrographic Process
Manuscript Feed Device
Roll Sheet Feeding
Cassette Type Roll Sheet
Shutter Mechanism
Photosensitive Drum Control
Copying Machine
28 patents (USPTO):Explore Patents

Title: **Hiroshi Tsuda: Innovator in Electrophotographic Technology**

Introduction

Hiroshi Tsuda is a distinguished inventor based in Mitaka, Japan, known for his significant contributions to the field of electrophotographic technology. With a notable portfolio consisting of 28 patents, Tsuda has made impactful innovations that enhance the functionality and efficiency of copying machines.

Latest Patents

Among his recent creations, Tsuda developed an original conveying apparatus for electrophotographic copying machines, which features a follower roller unit designed for improved handling of thicker documents. This ingenious design allows the follower roller to maintain its position above the original guide surface, ensuring seamless conveyance of substantial materials. Additionally, he worked on a collator specifically designed for use with electrophotographic copying machines. This collator includes deflection claws that systematically deliver successive copies into designated bins, operated by two independently controlled endless belts, enabling the simultaneous processing of multiple documents.

Career Highlights

Hiroshi Tsuda currently works at Olympus Optical Company, Ltd., where he applies his expertise to advance the company's technological innovations. His work in developing sophisticated imaging and printing solutions has set high standards in the industry, benefiting various applications in commercial and personal use.

Collaborations

Throughout his career, Tsuda has collaborated with fellow innovators such as Kiyoshi Miyashita and Muneo Kasuga. Their collective efforts have led to advancements that enrich the functionalities of copying machines, proving that teamwork and collaboration are vital in the realm of technological innovation.

Conclusion

Hiroshi Tsuda’s contributions have significantly shaped the field of electrophotographic equipment. His innovative spirit and the impact of his inventions are evident in the modern copying technologies we rely on today. With a solid foundation of patents and industry collaborations, Tsuda remains a pivotal figure in advancing imaging technology.

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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