Tokyo, Japan

Masashi Kai

This inventor holds 1 USPTO granted patent. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashi Kai. Retrieved from https://idiyas.com/inventor/masashi-kai-q7gv9vzh

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 = 21(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Innovations by Masashi Kai in Contact Lens Cleaning Technology

Introduction

Masashi Kai is an innovative inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of cleaning devices for contact lenses. His work focuses on enhancing the user experience and maintaining the hygiene of contact lenses.

Latest Patents

Masashi Kai holds a patent for a cleaning device specifically designed for soft contact lenses. This device features a housing with a cleaning chamber that is fed with a cleaning liquid. It includes a lens receiving container within the cleaning chamber and a stirring device that generates a liquid flow. This innovative design allows for the automatic execution of four cleaning processes: cleaning, rinsing, sterilizing, and preserving, all within a single chamber. The high-speed liquid flow ensures that the contact lenses remain unstained by dirt during the cleaning process, as they do not need to be moved by hand from one process to another. This patent represents a significant advancement in contact lens care.

Career Highlights

Masashi Kai is associated with Aisin Seiki Kabushiki Kaisha, a company known for its commitment to innovation and quality in various technological fields. His work at Aisin Seiki has allowed him to focus on developing practical solutions that address everyday challenges faced by contact lens users.

Collaborations

Masashi collaborates with Tomio Oguma, a fellow innovator, to further enhance the effectiveness of their inventions. Their partnership exemplifies the spirit of teamwork in the pursuit of technological advancements.

Conclusion

Masashi Kai's contributions to contact lens cleaning technology highlight his dedication to improving user experience and hygiene. His innovative cleaning device represents a significant step forward in the optical 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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