This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Bridgestone Sports Co., Ltd., Dow Corning Toray Company, Ltd.. Active years: 2007-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Chichibu, JP (2010)
- Tokyo, JP (2007 - 2014)
Company Filing History:


Years Active: 2007-2014
Title: Innovations of Yoshihiro Yamana
Introduction
Yoshihiro Yamana is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyurethane and its applications. With a total of 6 patents to his name, his work has had a considerable impact on various industries.
Latest Patents
Yamana's latest patents include a range of innovative materials and manufacturing methods. One of his key inventions is a polyurethane that is non-sticky, exhibits superior handling properties, and has excellent moldability. This polyurethane also demonstrates superior adhesive properties with silicones, even without prior surface activation treatment. The formulation includes polyol units and organic polyisocyanate units, with the polyol units containing an alkenyl group-containing organopolysiloxane structure. Another significant patent involves a method for producing golf balls, which are composed of a core and a cover made from a thermoplastic polyurethane composition. This composition is characterized by specific inherent viscosity properties, ensuring high performance in golf ball manufacturing.
Career Highlights
Throughout his career, Yoshihiro Yamana has worked with prominent companies such as Bridgestone Sports Co., Ltd. and Dow Corning Toray Company, Ltd. His experience in these organizations has allowed him to refine his expertise in polymer science and product development.
Collaborations
Yamana has collaborated with notable colleagues, including Hidekazu Saito and Hiroki Kimura. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Yoshihiro Yamana's innovative work in polyurethane and manufacturing methods showcases his significant contributions to materials science. His patents reflect a commitment to enhancing product performance across various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile