Tama, Japan

Kazumasa Matsuo

This inventor holds 14 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1977-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumasa Matsuo. Retrieved from https://idiyas.com/inventor/kazumasa-matsuo

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 815(Granted Patents)


Location History:

  • Hachiouji, JA (1977)
  • Hachioji, JP (1980 - 1981)
  • Tama, JP (1982 - 1987)
  • Tokyo, JP (1987)

Company Filing History:


Years Active: 1977-1987

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14 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kazumasa Matsuo: Pioneering Advancements in Optical Technology

Introduction: Kazumasa Matsuo, an esteemed inventor located in Tama, Japan, has made significant contributions to the field of optical technology. With a remarkable portfolio of 14 patents, Matsuo's inventions focus on enhancing the performance and functionality of optical systems, particularly in the medical domain.

Latest Patents: Among his latest innovations is the "Apparatus for Photometrically Detecting an Optically Focused Condition." This invention involves a unique method for detecting whether an optical system is properly focused. By utilizing a light-receiving means placed at a fixed position relative to the focus, the apparatus projects a light beam of a defined shape onto an object and analyzes the reflected light through intensity distribution, ensuring precise detection of focused conditions. This technology holds potential applications in endoscopes and various optical systems.

Another notable invention is the "Automatic Exposure Control Device for Endoscope." This automatic exposure control device, designed for endoscope-use cameras, incorporates a light sensing element that determines exposure values based on the amount of incoming light. Furthermore, it includes a control member shaped based on the thickness of the image transmitting optical system to adjust the exposure value, enhancing the functionality of endoscopic imaging.

Career Highlights: Kazumasa Matsuo currently works at Olympus Optical Company, Ltd., a leading firm in the optical and imaging industry. His inventions are pivotal in advancing endoscopic technology, demonstrating both his expertise and creativity within the field.

Collaborations: Throughout his career, Matsuo has collaborated with other notable inventors, including Akio Nakada and Yoshio Shishido. Together, they have contributed to groundbreaking advancements and innovations in their respective areas, illustrating the importance of teamwork in the realm of invention.

Conclusion: Kazumasa Matsuo stands out as a prominent figure in the field of optical innovations, with a strong focus on enhancing medical imaging technologies. His impressive array of patents reflects his dedication to improving optical systems and showcases the impact of his work within the industry. As he continues to push the boundaries of technology, Matsuo’s contributions are sure to influence the future of optical applications.

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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