Osaka, Japan

Masaru Uya

This inventor holds 21 USPTO granted patents, primarily in Image Processing Technology. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1979-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Uya. Retrieved from https://idiyas.com/inventor/masaru-uya

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 = 1.6

ph-index = 14

Forward Citations = 686(Granted Patents)


Location History:

  • Kadoma, JP (1979 - 1989)
  • Hirakata, JP (1986 - 1998)
  • Osaka, JP (1996 - 1998)

Company Filing History:


Years Active: 1979-1998

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Areas of Expertise:
Chroma-Key Signal Generator
Image Synthesizer
Dynamic Image Display
Weighted Average Circuit
FIFO Memory
Electronic Musical Instrument
MOS Register
Complementary Channel MOS
Schmitt Trigger Circuit
Digital Signal Booster
Temperature Compensated Converter
21 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Masaru Uya

Introduction: Masaru Uya, based in Osaka, Japan, is a respected inventor known for his significant contributions to technology through a portfolio of 21 patents. His work focuses on advancements in circuitry and image processing, enhancing efficiency and effectiveness in electronic systems.

Latest Patents: Among Uya's most notable patents are two innovative inventions. The first is an improved full subtracter, which efficiently processes minuend and subtrahend signals while minimizing delay times by utilizing CMOS transistors. This advancement reduces the number of logic gate stages necessary for computation. The second patent, a chroma-key signal generator, leverages a data processor to generate stable chroma-key signals by recalculating representative color data in response to variations in background color, ensuring high-quality image processing.

Career Highlights: Uya has dedicated his career to the notable Matsushita Electric Industrial Co., Ltd., a global leader in electronics and technology. His inventions have not only enhanced the capabilities of electronic devices but have also influenced industry standards in circuit design and image processing.

Collaborations: Throughout his career, Uya has collaborated with prominent colleagues, including Takuya Sayama and Kinji Kawamoto. These partnerships have contributed to the successful development of groundbreaking technologies and innovations within their fields.

Conclusion: Masaru Uya's contributions through his patents showcase the importance of innovation in technology. His work at Matsushita Electric Industrial Co., Ltd. exemplifies the potential of determined inventors to push the boundaries of electronic design and image processing, influencing the technological landscape for years to come.

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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