Yokohama, Japan

Mitsuo Nakajima

This inventor holds 67 USPTO granted patents and 4 published patent applications and 7 EPO patents, primarily in Image Processing (CPC class H04N). Top assignees: Kabushiki Kaisha Toshiba, Maxell, Ltd., Hitachi, Ltd.. Active years: 1994-2026.

USPTO Granted Patents = 67 

% Patents Active = 71.6


Average Co-Inventor Count = 3.5

ph-index = 14

Forward Citations = 620(Granted Patents)

Forward Citations (Not Self Cited) = 603(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Koshigaya, JP (1994 - 1998)
  • Saitama-ken, JP (1999)
  • Kanagawa-Ken, JP (2006 - 2011)
  • Yokohama, JP (2000 - 2015)
  • Tokyo, JP (2015 - 2023)
  • Kyoto, JP (2024)

Company Filing History:


Years Active: 1994-2026

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Areas of Expertise:
Image Display
Video Display
Projection Device
Image Processing
Video Synthesis
Display System
Frame Rate Conversion
Active Matrix
Coordinate Transformation
Image Quality Adjustment
Retinex Processing
67 patents (USPTO):Explore Patents

Title: Mitsuo Nakajima: Innovator in Video Display Technology

Introduction

Mitsuo Nakajima, an accomplished inventor based in Yokohama, Japan, holds an impressive portfolio of 65 patents. His work primarily focuses on advancements in video display devices and projectors, showcasing his commitment to enhancing visual technology.

Latest Patents

Mitsuo Nakajima's most recent innovations include a groundbreaking video display device. This device employs a first and a second Retinex processing unit on inputted video, improving visibility by adjusting luminance levels based on pixel value. Moreover, his patent for an image display apparatus features a technology that corrects geometric distortion caused by curved screens. The projector utilizes a camera to capture images, allowing for a geometric transformation that ensures the projected image is easily viewable by the user.

Career Highlights

Throughout his career, Nakajima has contributed to notable companies such as Kabushiki Kaisha Toshiba and Hitachi, Ltd. His expertise in video technology has enabled him to drive significant innovations in the field, positively impacting the user experience with enhanced image quality.

Collaborations

Nakajima has collaborated with esteemed colleagues, including Yutaka Onozuka and Yujiro Hara. These professional partnerships have played a crucial role in the development of his patented technologies and have enriched the innovation landscape in video display systems.

Conclusion

Mitsuo Nakajima's extensive patent portfolio and collaborative efforts exemplify his dedication to innovation in the video display sector. As he continues to push the boundaries of technology, his contributions will likely leave a lasting impact on how we experience visual media.

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