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For the Inventor, By the Inventor

Hachioji, Japan

Masaki Matsubara

This inventor holds 11 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Matsubara. Retrieved from https://idiyas.com/inventor/masaki-matsubara-gri7dddx

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 58(Granted Patents)


Location History:

  • Hachiouji, JA (1976 - 1977)
  • Hachiouji, JP (1978 - 1987)

Company Filing History:

goldMedal11 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents

Years Active: 1976-1987

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11 patents (USPTO):Explore Patents
1. 4643541 - Optical system for variable inclination angle microscope tubes (1987-02-17),
2. 4509838 - Optical system for retinal cameras (1985-04-09),
3. 4491394 - Image-forming lens system (1985-01-01),
4. 4439023 - Optical system for ophthalmological instruments (1984-03-27),
5. 4268128 - Ocular of large visual field (1981-05-19),
6. 4113356 - Zoom lens system with high zooming ratio (1978-09-12),
7. 4057328 - Enlarging lens system (1977-11-08),
8. 4045127 - Enlarging lens system (1977-08-30),
9. 4037934 - Microscope objective (1977-07-26),
10. 4013346 - Enlarging lens system (1977-03-22),
11. 3958866 - Copying objective lens system (1976-05-25),

Title: Masaki Matsubara: Innovator in Optical Systems

Introduction

Masaki Matsubara is a prominent inventor based in Hachiouji, Japan. He has made significant contributions to the field of optical systems, holding a total of 11 patents. His work primarily focuses on enhancing the operability and functionality of optical devices.

Latest Patents

Matsubara's latest patents include an "Optical System for Variable Inclination Angle Microscope Tubes." This innovative system aims to shorten the distance between the eye point and focusing handle, thereby improving operability. The design incorporates multiple optical elements that bend the light path at right angles, allowing for a more efficient user experience. Another notable patent is the "Optical System for Retinal Cameras," which reduces the distance between the eye being inspected and the inspector, enhancing usability and ease of handling.

Career Highlights

Masaki Matsubara is currently associated with Olympus Optical Company, Ltd., where he continues to develop cutting-edge optical technologies. His expertise in optical systems has positioned him as a key figure in the industry, contributing to advancements that benefit both professionals and end-users.

Collaborations

Matsubara has collaborated with notable colleagues, including Youich Iba and Ken-ichi Nakahashi. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Masaki Matsubara's contributions to optical systems have significantly impacted the field, showcasing his dedication to improving technology for practical applications. His innovative patents reflect a commitment to enhancing user experience in optical devices.

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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