Kanagawa, Japan

Masayuki Takeda

This inventor holds 16 USPTO granted patents. Top assignees: Fuji Xerox Co., Ltd., Nippon Iron Powder Co. Ltd., Pioneer Electronic Corporation. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Takeda. Retrieved from https://idiyas.com/inventor/masayuki-takeda-qazmceni

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 = 4.2

ph-index = 7

Forward Citations = 148(Granted Patents)


Location History:

  • Ashigara, JP (1988)
  • Kanagawa, JP (1989 - 1992)
  • Fukuroi, JP (2001)

Company Filing History:


Years Active: 1988-2026

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16 patents (USPTO):Explore Patents

Title: The Innovations of Masayuki Takeda

Introduction

Masayuki Takeda is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of video signal processing and toner compositions. With a total of 16 patents to his name, Takeda's work has had a lasting impact on technology and innovation.

Latest Patents

One of his latest patents is a video signal processing circuit that provides optimum signal levels for inverse gamma correction. This innovative circuit allows for nearly 100% of the largest possible dynamic range to be utilized, achieving desired contrast and brightness characteristics by increasing the luminance of a screen. The circuit includes an RGB amplifier that amplifies the three primary color video signals—red, green, and blue—by a predetermined gain, which is controlled by a gain control signal. Additionally, it features A/D converters that convert the analog signals into digital signals, inverse gamma correcting circuits, an OR circuit, and a peak holding circuit for detecting peak levels of the analog signals. The gain control signal generator adjusts the RGB amplifier based on these peak levels, ensuring optimal performance.

Another notable patent involves a toner composition containing titanium dioxide particles. This dry toner composition is designed with titanium dioxide particles whose surfaces comprise an organic compound with a melting point ranging from about 40°C to about 150°C. This innovation has applications in various printing technologies.

Career Highlights

Throughout his career, Masayuki Takeda has worked with esteemed companies such as Fuji Xerox Co., Ltd. and Pioneer Electronic Corporation. His experience in these organizations has contributed to his expertise and the development of his innovative patents.

Collaborations

Takeda has collaborated with notable coworkers, including Takayoshi Aoki and Ikutaroh Nagatsuka. Their combined efforts have fostered advancements in their respective fields.

Conclusion

Masayuki Takeda's contributions to video signal processing and toner compositions highlight his innovative spirit and dedication to technology. His patents continue to influence the industry and pave the way for future advancements.

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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