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For the Inventor, By the Inventor

Urayasu, Japan

Naofumi Ueda

This inventor holds 5 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1994-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naofumi Ueda. Retrieved from https://idiyas.com/inventor/naofumi-ueda-ral5943z

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 88(Granted Patents)


Location History:

  • Urayasu, JP (1994 - 1995)
  • Yokohama, JP (1994 - 1997)

Company Filing History:

goldMedal5 out of 28,957 
 
Ricoh Company, Ltd.
 patents

Years Active: 1994-1997

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5 patents (USPTO):Explore Patents
1. 5697712 - Image processing method and apparatus (1997-12-16),
2. 5386509 - Graphic data processing apparatus for producing a tone for an edge pixel (1995-01-31),
3. 5351315 - Apparatus for smoothing outlines of images (1994-09-27),
4. 5317679 - Digital image processor including correction for undesirable edge (1994-05-31),
5. 5299308 - Graphic data processing apparatus for producing a tone for an edge pixel (1994-03-29),

Title: Naofumi Ueda: Innovator in Image Processing Technology

Introduction

Naofumi Ueda is a prominent inventor based in Urayasu, Japan. He has made significant contributions to the field of image processing, holding a total of five patents. His work focuses on enhancing the quality and efficiency of image processing methods and apparatuses.

Latest Patents

One of Ueda's latest patents is an image processing method and apparatus that processes a dot image formed of multiple dots, each with a specific density level. This method involves extracting a dot pattern from the dot image, which consists of an observation dot and surrounding dots. By comparing the extracted dot pattern with predetermined reference patterns, the apparatus determines whether the observation dot is a dropout dot or a projection dot. Depending on the determination, the density level of the observation dot is adjusted accordingly.

Another notable patent is a graphic data processing apparatus designed to produce a tone for edge pixels. This apparatus is particularly suitable for image forming devices that utilize pulse width modulation (PWM) to control a scanning beam. The tone determining apparatus divides the edge pixels of vector data and transforms the trailing portion into a tone with a greater contribution ratio than that of the leading portion. This innovation effectively eliminates fine dots at the leading edge, resulting in smoother edges.

Career Highlights

Naofumi Ueda is currently employed at Ricoh Company, Ltd., where he continues to develop innovative solutions in image processing technology. His expertise and dedication to advancing this field have made him a valuable asset to the company.

Collaborations

Ueda has collaborated with notable colleagues, including Hiroaki Suzuki and Yoshiaki Hanyu. Their combined efforts contribute to the ongoing advancements in image processing technologies.

Conclusion

Naofumi Ueda's contributions to image processing technology through his patents and work at Ricoh Company, Ltd. highlight his role as an influential inventor in this field. His innovative methods and apparatuses continue to shape the future of image processing.

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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