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For the Inventor, By the Inventor

Chiba, Japan

Takatomo Nagamine

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignee: Sony Corporation. Active years: 1992-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takatomo Nagamine. Retrieved from https://idiyas.com/inventor/takatomo-nagamine

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

USPTO Granted Patents = 7

% Patents Active = 71.4


Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Tokyo, JP (1992 - 1993)
  • Chiba, JP (2001 - 2009)

Company Filing History:

goldMedal7 out of 58,145 
 
Sony Corporation
 patents

Years Active: 1992-2009

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7 patents (USPTO):Explore Patents
1. 7502077 - Device and method for processing video signals to improve the black contrast (2009-03-10),
2. 7355653 - Video signal processing circuit and video signal processing method (2008-04-08),
3. 6597403 - System for generating horizontal synchronizing signal compatible with multi-scan (2003-07-22),
4. 6433829 - Signal processing apparatus for setting up vertical blanking signal of television set (2002-08-13),
5. 6195134 - Horizontal electron-beam deflector, automatic frequency controller, and video signal receiver (2001-02-27),
6. 5196936 - Ghost cancelling receiver using ghost cancel reference signal (1993-03-23),
7. 5138453 - Ghost cancelling circuit having filter controlled by variable limiter (1992-08-11),

Title: Takatomo Nagamine: Innovator in Video Signal Processing

Introduction

Takatomo Nagamine is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of video signal processing, holding a total of 7 patents. His work focuses on enhancing the quality of video signals, particularly in improving black contrast in television displays.

Latest Patents

One of Nagamine's latest patents is a device and method for processing video signals to improve black contrast. This innovative video signal-processing device enhances the apparent contrast of the luminance signal at television receiving sets. It includes a black expansion computing section that determines the quantity of black expansion when the luminance component of the input video signal is below a certain level. Additionally, a gain controller regulates this quantity, while a black expansion adding section generates an output video signal by integrating the regulated black expansion with the luminance component. Another notable patent is a video signal processing circuit and method that ensures the integrity of images displayed by composite video signals, preventing distortion during frequency switching.

Career Highlights

Takatomo Nagamine is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop cutting-edge technologies that enhance video quality and user experience. His innovative approaches have positioned him as a key figure in the realm of video signal processing.

Collaborations

Nagamine has collaborated with notable coworkers such as Shinji Takahashi and Satoshi Kobayashi. These collaborations have fostered an environment of innovation and creativity, leading to advancements in video technology.

Conclusion

Takatomo Nagamine's contributions to video signal processing have significantly impacted the industry. His patents reflect a commitment to improving video quality, particularly in enhancing black contrast. His work continues to influence the development of advanced video technologies.

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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