Hino, Japan

Yoshiaki Mitsui

This inventor holds 1 USPTO granted patent. Top assignee: Hoya Lens Corporation. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Mitsui. Retrieved from https://idiyas.com/inventor/yoshiaki-mitsui-rvivz1sa

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 = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1982

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1 patent (USPTO):Explore Patents

Title: Yoshiaki Mitsui: Innovator in Ophthalmic Solutions

Introduction

Yoshiaki Mitsui is a notable inventor based in Hino, Japan. He has made significant contributions to the field of optics, particularly in the design of tools that aid in the creation of eyeglasses. His innovative approach has led to the development of a unique calculating rule that addresses various ophthalmic values.

Latest Patents

Mitsui holds a patent for a calculating rule useful for making eyeglasses. This calculating rule is designed to obtain essential ophthalmic values such as near-point distance, far-point distance, visual range, and addition. It allows eyeglasses wearers to work comfortably at their objective working distance without experiencing asthenopia, which is often caused by accommodation issues. The calculating rule consists of a rectangular slide rule and a circular rotating rule, incorporating various scales to facilitate accurate measurements.

Career Highlights

Yoshiaki Mitsui is associated with Hoya Lens Corporation, a leading company in the optical industry. His work has been instrumental in advancing the technology used in eyeglass manufacturing. With a focus on improving user experience, Mitsui's inventions have garnered attention for their practical applications in everyday life.

Collaborations

Mitsui has collaborated with Yasuo Yanagisawa, contributing to the development of innovative optical solutions. Their partnership has fostered advancements in the field, enhancing the quality of eyeglasses and improving visual comfort for users.

Conclusion

Yoshiaki Mitsui's contributions to the field of optics through his innovative calculating rule exemplify the importance of invention in enhancing everyday experiences. His work continues to influence the design and functionality of eyeglasses, making a significant impact on the industry.

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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