Nagoya, Japan

Tatsuo Harata

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Contact Lens Inc., Nippon Contact Lens Manufacturing Ltd.. Active years: 1986-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Harata. Retrieved from https://idiyas.com/inventor/tatsuo-harata

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 = 3.0

ph-index = 2

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 1986-1988

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2 patents (USPTO):Explore Patents

Title: Innovations in Contact Lens Materials by Tatsuo Harata

Introduction

Tatsuo Harata is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of contact lens materials, holding 2 patents that focus on enhancing the performance and comfort of contact lenses. His work has paved the way for advancements in the optical industry.

Latest Patents

Harata's latest patents involve novel multifunctional organosiloxane monomers that are crucial for developing oxygen-permeable hard contact lens materials. These inventions relate to copolymerization processes that include cross-linking agents and wetting agents, resulting in contact lenses that are not only easy to handle but also comfortable for extended wear. His second patent describes a contact lens material made from an organosiloxane ester copolymer, which is designed to be substantially free of water absorption, enhancing user comfort.

Career Highlights

Throughout his career, Tatsuo Harata has worked with prominent companies in the optical field, including Nippon Contact Lens Manufacturing Ltd. and Nippon Contact Lens Inc. His experience in these organizations has contributed to his expertise in developing innovative contact lens materials.

Collaborations

Harata has collaborated with notable colleagues such as Yutaka Mizutani and Naokatsu Tanahashi. Their combined efforts have further advanced the research and development of contact lens technologies.

Conclusion

Tatsuo Harata's contributions to contact lens materials demonstrate his commitment to innovation in the optical industry. His patents reflect a deep understanding of material science and a dedication to improving user experience.

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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