Kawasaki, Japan

Naofumi Yamamoto

This inventor holds 36 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Image Processing. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha. Active years: 1987-2020.

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

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

USPTO Granted Patents = 36 

% Patents Active = 69.4

 

Average Co-Inventor Count = 2.3

ph-index = 16

Forward Citations = 1,074(Granted Patents)


Location History:

  • Setagaya, JP (1989)
  • Inagi, JP (1994 - 2000)
  • Tokyo-to, JP (2000)
  • Tokyo, JP (1987 - 2002)
  • Kawasaki, JP (1991 - 2011)
  • Kanagawa-ken, JP (2014)
  • Kawasaki Kanagawa, JP (2020)

Company Filing History:


Years Active: 1987-2020

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Areas of Expertise:
Color Correction
Image Processing
Data Embedding
Encoding
Decoding
Image Recording
Brightness Correction
Error Diffusion
Pattern Modification
Signal Processing
Halftone Representation
Image Layout
36 patents (USPTO):Explore Patents

Title: Innovations and Patents of Naofumi Yamamoto

Introduction

Naofumi Yamamoto, based in Kawasaki, JP, is an accomplished inventor with a remarkable portfolio consisting of 36 patents. His contributions to technology primarily focus on image recognition and color correction methods, showcasing his expertise in enhancing the interface between technology and user experience.

Latest Patents

Among Naofumi's latest inventions are two noteworthy patents: the Article Recognition Device and the Color Correction Apparatus. The Article Recognition Device is designed to enhance the identification and differentiation of various articles by utilizing a sophisticated system comprising a camera, a processor, and memory. This device extracts feature points from captured images to accurately recognize and classify items based on predefined parameters.

The Color Correction Apparatus, on the other hand, addresses the intricacies of color image processing. This apparatus includes an input portion, a storage component, and a correction mechanism. It estimates chromaticity deviations from input signals and applies standard reproduction parameters to ensure accurate color representation, significantly improving the quality of color images.

Career Highlights

Naofumi Yamamoto has made significant strides in his career, particularly during his tenure at Toshiba Corporation and Toshiba Tec Corporation. His work at these prominent companies has provided him with a platform to innovate and develop patented technologies that have left a lasting impact in the field.

Collaborations

Throughout his career, Naofumi has collaborated with esteemed colleagues, including Hidekazu Sekizawa and Haruko Kawakami. These collaborations not only enriched his projects but also facilitated advancements in their respective areas of expertise.

Conclusion

Naofumi Yamamoto's innovations continue to influence the fields of image recognition and color processing. With a substantial number of patents to his name, his contributions reflect a deep commitment to advancing technology. As he continues to innovate, his work undoubtedly paves the way for future advancements and applications in various industries.

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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