Nagoya, Japan

Masashige Yamanaka

This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignee: Toyo Contact Lens Company, Limited. Active years: 1985-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masashige Yamanaka. Retrieved from https://idiyas.com/inventor/masashige-yamanaka

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 = 12(Granted Patents)


Location History:

  • Nagoya, JP (1985)
  • Kuwana, JP (1989)

Company Filing History:


Years Active: 1985-1989

Loading Chart...
Loading Chart...
2 patents (USPTO):Explore Patents

Title: Masashige Yamanaka: Innovator in Contact Lens Technology

Introduction

Masashige Yamanaka is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of contact lens technology, holding a total of 2 patents. His work focuses on developing innovative materials and designs that enhance the comfort and functionality of contact lenses.

Latest Patents

Yamanaka's latest patents include a highly water-absorptive soft contact lens made of a copolymer. This invention aims to improve the hydration and comfort of contact lenses for users. Another notable patent is for a water-absorptive contact lens, which is also made of a copolymer consisting essentially of advanced materials designed to enhance user experience.

Career Highlights

Masashige Yamanaka is currently employed at Toyo Contact Lens Company, Limited, where he continues to push the boundaries of contact lens innovation. His work has been instrumental in advancing the technology used in soft contact lenses, making them more accessible and comfortable for a wider range of users.

Collaborations

Yamanaka has collaborated with notable colleagues such as Takanori Shibata and Hiroyuki Kako. These partnerships have fostered a creative environment that encourages the development of cutting-edge contact lens technologies.

Conclusion

Masashige Yamanaka's contributions to contact lens technology exemplify the spirit of innovation in the field. His patents and ongoing work at Toyo Contact Lens Company, Limited, highlight his commitment to improving the user experience for contact lens wearers.

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]
Loading…