Machida, Japan

Shigeo Maruyama

This inventor holds 6 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Maruyama. Retrieved from https://idiyas.com/inventor/shigeo-maruyama-uc9n4svo

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 = 4.7

ph-index = 6

Forward Citations = 260(Granted Patents)


Location History:

  • Kawasaki, JP (1981 - 1983)
  • Machida, JP (1983 - 1992)

Company Filing History:


Years Active: 1981-1992

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6 patents (USPTO):Explore Patents

Title: Shigeo Maruyama: Innovator in Ophthalmologic Technology

Introduction

Shigeo Maruyama is a prominent inventor based in Machida, Japan. He has made significant contributions to the field of ophthalmology, holding a total of 6 patents. His work focuses on developing advanced ophthalmologic apparatuses that enhance the accuracy and efficiency of eye examinations.

Latest Patents

One of Maruyama's latest inventions is an ophthalmologic apparatus designed to measure the eye axis length and other critical information of the eye being examined, such as cornea refractive power. This apparatus features a detecting terminal that is controlled by driving means, which slows down the speed of movement as it approaches the cornea, ensuring precise measurements. Another notable invention is a supersonic ophthalmic measuring apparatus, which includes a supersonic probe that contacts the cornea. This device calculates the amount of depression caused by the probe and corrects the measurement of the eye axis length accordingly.

Career Highlights

Shigeo Maruyama is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His innovative work has significantly impacted the field of ophthalmology, providing tools that improve the accuracy of eye measurements and diagnostics.

Collaborations

Maruyama has collaborated with notable colleagues, including Isao Matsumura and Yoshimi Kohayakawa. Their combined expertise has contributed to the development of cutting-edge ophthalmologic technologies.

Conclusion

Shigeo Maruyama's contributions to ophthalmology through his innovative patents demonstrate his commitment to advancing eye care technology. His work continues to influence the industry and improve patient outcomes.

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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