Nara, Japan

Hiroshi Shirakoshi

This inventor holds 7 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1985-1991.

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

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 1985-1991

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7 patents (USPTO):Explore Patents

Title: Hiroshi Shirakoshi: Innovator in Facsimile Technology

Introduction

Hiroshi Shirakoshi is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of facsimile technology, holding a total of 7 patents. His innovative designs have improved the functionality and efficiency of facsimile devices.

Latest Patents

One of his latest patents involves a facsimile device that features an optical reader unit, an original transport unit, a printing unit, and a base unit. The optical reader unit includes a light source for illuminating original documents and an image reading element for capturing the reflected light. The original transport unit is equipped with a feed roller and guides to transport the document to the reading position. The printing unit consists of a printer head and a flexible member that presses the head onto the recording paper. The base unit supports the optical reader, original transport, and printing units. Another patent describes a facsimile device composed of three separate units that are rotatably connected. This design allows for quick removal of jammed originals and recording sheets, enhancing user experience.

Career Highlights

Hiroshi Shirakoshi has been instrumental in advancing facsimile technology through his work at Sharp Kabushiki Kaisha Corporation. His innovative designs have set new standards in the industry, making facsimile devices more user-friendly and efficient.

Collaborations

He has collaborated with notable coworkers, including Matahira Kotani and Masafumi Matsumoto, to further enhance the capabilities of their inventions.

Conclusion

Hiroshi Shirakoshi's contributions to facsimile technology have made a lasting impact on the industry. His innovative patents continue to shape the future of communication devices.

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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