Nara, Japan

Nobukazu Hosoya

This inventor holds 40 USPTO granted patents, primarily in Television Signal Processing. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1977-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobukazu Hosoya. Retrieved from https://idiyas.com/inventor/nobukazu-hosoya

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


% Patents Active = 97.5

Average Co-Inventor Count = 1.4

ph-index = 8

Forward Citations = 229(Granted Patents)


Location History:

  • Osaka, JA (1977)
  • Higashiosaka, JP (1980)
  • Moriguchi, JP (1980 - 1981)
  • Ikoma, JP (1979 - 1985)
  • Naka, JP (1995)
  • Ikoma-gun, JP (1997)
  • Nara, JP (1980 - 2007)

Company Filing History:


Years Active: 1977-2007

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Areas of Expertise:
Display Device
Noise Reducing Circuit
A/D Converter
Color Burst Signal
Filter Circuit
Y/C Separation
Jitter Removal
Video Signal Receiver
Phase Synchronizing Circuit
Saturation Control
Color Television Receiver
Power Supply Apparatus
40 patents (USPTO):Explore Patents

Title: Nobukazu Hosoya: Innovator in Display Technology

Introduction: Nobukazu Hosoya, based in Nara, Japan, is a prominent inventor known for his innovative contributions to display technology. With a remarkable portfolio of 40 patents, Hosoya continues to push the boundaries of what is possible in the realm of electronic displays.

Latest Patents: Among his latest inventions are two notable patents. The first, titled "Display Device and Pixel Corresponding Display Device," involves a novel approach to detecting horizontal video end positions based on a second threshold value. This technology significantly enhances video data processing through a sophisticated control mechanism involving a digital signal converter. The second patent, "Noise Reducing Circuit," focuses on refining luminance signals by effectively extracting predetermined frequency components. By using band-pass filters (BPFs) and amplifiers, this innovation provides a cleaner luminance signal by minimizing noise interference, thus enhancing the overall quality of video outputs.

Career Highlights: Hosoya’s career is marked by his continued dedication to improving display devices. His pioneering work at Sanyo Electric Co., Ltd. has established him as a leader in the industry, driving advancements that are integral to modern display technologies.

Collaborations: Throughout his career, Hosoya has collaborated with esteemed colleagues such as Yoshichika Hirao and Fumiaki Honda. These partnerships have fostered a rich environment for innovation, enabling the development of ground-breaking technologies in the field of electronics.

Conclusion: Nobukazu Hosoya's contributions to display technology exemplify the spirit of innovation that drives the industry forward. With his extensive patent portfolio and collaboration with distinguished professionals, Hosoya continues to be a key figure in enhancing the capabilities of electronic displays, paving 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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