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For the Inventor, By the Inventor

Osaka, Japan

Hirohisa Miyamoto

This inventor holds 10 USPTO granted patents. Top assignee: Minolta Camera Kabushiki Kaisha. Active years: 1989-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohisa Miyamoto. Retrieved from https://idiyas.com/inventor/hirohisa-miyamoto-fxz3fchd

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 66(Granted Patents)


Company Filing History:

goldMedal10 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents

Years Active: 1989-1992

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10 patents (USPTO):Explore Patents
1. 5144372 - Copying machine operable in simultaneous multi-color mode (1992-09-01),
2. 5036354 - Document size detection device (1991-07-30),
3. 5016049 - Document detecting device for an image forming apparatus (1991-05-14),
4. 4994854 - Image forming apparatus for forming outline and normal images (1991-02-19),
5. 4958188 - Image forming apparatus with one reset switch for resetting one type of (1990-09-18),
6. 4947210 - Multi-color copying machine (1990-08-07),
7. 4890138 - Image forming apparatus having a plurality of developing devices (1989-12-26),
8. 4868606 - Copying apparatus capable of forming various types of images (1989-09-19),
9. 4855787 - Image duplicating apparatus having plural copying modes and plural sheet (1989-08-08),
10. 4853739 - Illuminating device for image exposure (1989-08-01),

Title: Hirohisa Miyamoto: Innovator in Copying Technology

Introduction

Hirohisa Miyamoto is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of copying technology, holding a total of 10 patents. His innovative designs have enhanced the functionality and efficiency of copying machines.

Latest Patents

Miyamoto's latest patents include a groundbreaking copying machine operable in simultaneous multi-color mode. This machine features multiple developing units capable of performing various edition modes, including a simultaneous multi-mode. In this mode, the developing unit can be switched during a single copying action, allowing for greater versatility. The position for switching the developing unit is designated by a position designation device, such as keys on an operation panel.

Another notable patent is a document size detection device. This device includes an illuminating unit that irradiates light onto a document placed on a platen. It also features a projecting unit that reflects this light onto a photosensitive member. The design incorporates a document cover with both reflecting and non-reflecting areas, along with a document detection sensor that enhances the accuracy of document size detection.

Career Highlights

Miyamoto is currently employed at Minolta Camera Kabushiki Kaisha, where he continues to innovate in the field of imaging technology. His work has significantly impacted the efficiency and capabilities of copying machines, making them more user-friendly and versatile.

Collaborations

Throughout his career, Miyamoto has collaborated with notable colleagues, including Kenzo Nagata and Kazuhiro Araki. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the copying industry.

Conclusion

Hirohisa Miyamoto's contributions to copying technology through his patents and collaborations have established him as a key figure in the industry. His innovative spirit continues to drive advancements in imaging technology, benefiting users worldwide.

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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