Yokohama, Japan

Fumihiro Miyagawa

This inventor holds 10 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1977-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumihiro Miyagawa. Retrieved from https://idiyas.com/inventor/fumihiro-miyagawa

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 = 1.8

ph-index = 6

Forward Citations = 97(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Yokohama, JP (1979 - 1996)

Company Filing History:


Years Active: 1977-1996

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10 patents (USPTO):Explore Patents

Title: Fumihiro Miyagawa: Innovator in Laser Technology and Image Forming Apparatus

Introduction

Fumihiro Miyagawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the fields of laser technology and image forming apparatus, holding a total of 10 patents. His innovative work has been instrumental in advancing the capabilities of imaging systems.

Latest Patents

Miyagawa's latest patents include a "Laser beam scanning apparatus for controlling diameter of light spot." This apparatus features a light source unit that emits a collimated laser light beam, a rotary deflector unit for deflecting the beam, and a focusing unit that converts the deflected beam into a convergent light beam. The design allows for precise control over the diameter of the light spot on a recording medium. Another notable patent is the "Compact BI-color electrophotographic image forming apparatus." This apparatus utilizes deflection scanning and line type exposing devices, promoting miniaturization while enhancing image quality for specific colors.

Career Highlights

Fumihiro Miyagawa is currently employed at Ricoh Company, Ltd., where he continues to innovate and develop advanced imaging technologies. His work has not only improved the efficiency of image forming devices but has also contributed to the overall quality of printed materials.

Collaborations

Miyagawa has collaborated with notable colleagues such as Kousaku Sawabe and Takashi Mama. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Fumihiro Miyagawa's contributions to laser technology and image forming apparatus have established him as a key figure in his field. His innovative patents and collaborations reflect his commitment to advancing technology and improving imaging systems.

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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