Hachioji, Japan

Kenji Matsunaka

This inventor holds 5 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1992-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Matsunaka. Retrieved from https://idiyas.com/inventor/kenji-matsunaka

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 = 2.7

ph-index = 5

Forward Citations = 187(Granted Patents)


Company Filing History:


Years Active: 1992-1996

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5 patents (USPTO):Explore Patents

Title: Kenji Matsunaka: Innovator in Color Image Processing

Introduction

Kenji Matsunaka is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of color image processing, holding a total of five patents. His innovative work focuses on improving image quality through advanced color misregistration correction techniques.

Latest Patents

Matsunaka's latest patents include a color misregistration easing system that corrects errors on a pixel or block basis. This system utilizes an encoder to decompose an input color image signal into luminance and color signals. It places these color signals in image memories and fetches them before and after a given screen. A detector calculates differences between the color signals to identify color misregistration. When detected, a corrector reads the last image's color signals from frame memories to produce correction signals. This method prevents deterioration of image quality due to unnecessary corrections.

Another notable patent is the color misregistration detector, which comprises a matrix circuit for inputting a color image signal on a time-series basis. It generates color difference signals and utilizes differentiating circuits to detect changes in these signals. Comparators identify significant changes, while a CPU monitors these changes over time to confirm the presence of color misregistration.

Career Highlights

Kenji Matsunaka is currently employed at Olympus Optical Company, Ltd., where he continues to develop innovative solutions in imaging technology. His work has significantly impacted the quality of color image processing, making it more efficient and reliable.

Collaborations

Matsunaka has collaborated with notable colleagues such as Kazunari Nakamura and Akira Watanabe. Their combined expertise has contributed to advancements in the field of color image processing.

Conclusion

Kenji Matsunaka's contributions to color image processing through his innovative patents have established him as a key figure in the industry. His work continues to enhance image quality and efficiency in various applications.

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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