Osaka, Japan

Akimasa Niwa

This inventor holds 2 USPTO granted patents. Top assignees: Sharp Kabushiki Kaisha Corporation, Synthesis Corporation, Other. Active years: 2004-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akimasa Niwa. Retrieved from https://idiyas.com/inventor/akimasa-niwa-ry1nebbt

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 58(Granted Patents)


Company Filing History:


Years Active: 2004-2005

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2 patents (USPTO):Explore Patents

Title: Akimasa Niwa: Innovator in Image Processing Technologies

Introduction

Akimasa Niwa is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of image processing, particularly in methods for correcting lightness in images. With a total of 2 patents, his work has garnered attention for its innovative approaches.

Latest Patents

Niwa's latest patents include a "Method for correcting lightness of image" and a "Method and device for correcting lightness of image." The first patent describes a method that utilizes a multiscale retinex to correct the lightness of a subject pixel in an original image. This involves a convolution operation of a surround function and surrounding pixels, performed over multiple scales. The surround function is designed with a simplified model that changes its value in a stepwise manner along two orthogonal axes. The second patent outlines a method that calculates first and second scales based on the image scale of the original image. It involves multiscale retinex processing and synthesizing the results with the original image information.

Career Highlights

Throughout his career, Akimasa Niwa has worked with prominent companies, including Sharp Corporation. His expertise in image processing has allowed him to develop innovative solutions that enhance image quality and usability.

Collaborations

Niwa has collaborated with notable individuals in his field, including Xiaomang Zhang and Noboru Kubo. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Akimasa Niwa's contributions to image processing through his innovative patents highlight his role as a significant inventor in this field. His work continues to influence advancements in technology and image correction methods.

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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