This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Teijin Chemicals Limited. Active years: 2013.
Company Filing History:
Years Active: 2013
Title: The Innovations of Tomokiyo Doi
Introduction
Tomokiyo Doi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of optical materials, particularly through his innovative work on polyester carbonate copolymers. His inventions focus on enhancing the performance of optical lenses, which are crucial in various applications.
Latest Patents
Doi holds a patent for a polyester carbonate copolymer designed for optical lenses. This invention aims to provide a material that exhibits high refractivity and transparency while minimizing birefringence and optical strain. The specific formulation includes 67 to 95 mol % of a unit of a specific formula and 33 to 5 mol % of another unit, with a specific viscosity ranging from 0.12 to 0.30. This advancement is essential for producing high-quality optical lenses.
Career Highlights
Tomokiyo Doi is associated with Teijin Chemicals Limited, a company known for its innovative materials and chemicals. His work at Teijin has allowed him to focus on developing advanced optical materials that meet the demands of modern technology. Doi's expertise in polymer chemistry has positioned him as a key figure in the field.
Collaborations
Doi has collaborated with notable colleagues, including Kazunori Nunome and Manabu Matsui. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge materials.
Conclusion
Tomokiyo Doi's contributions to the field of optical materials through his patented polyester carbonate copolymer demonstrate his commitment to innovation. His work continues to influence the development of high-performance optical lenses, showcasing the importance of research and collaboration in advancing technology.