This inventor holds 27 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Optical Devices. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1992-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Otake, JP (1992 - 2003)
- Kanagawa, JP (2003 - 2014)
- Hiroshima, JP (2003 - 2016)
Company Filing History:
Years Active: 1992-2016
Areas of Expertise:
Title: Innovations of Tomoyoshi Yamashita: Pioneering Patents in Light Guide Technology
Introduction: Tomoyoshi Yamashita, based in Kanagawa, Japan, is a prolific inventor known for his contributions to the field of optical technologies. With an impressive portfolio of 27 patents, Yamashita has made significant strides in the development of light guide articles and related compositions. His innovative work is pivotal to advancing the efficiency and effectiveness of light source devices.
Latest Patents: Among his most recent patents, he has developed a range of innovative products including a resin composition for light guide article-preforms, laminated light guide article-preforms, and specialized light guide articles for surface light source devices. Notably, his resin composition allows for the creation of a foamed layer that enhances light scattering on the surface of a shaped article, all while maintaining low production costs. This invention incorporates a resin with a specific molecular weight and thermal properties, ensuring significant performance improvements. Furthermore, his acrylic film for punching is designed to be transparent and resistant to damage, achieving reliability in optical applications.
Career Highlights: Tomoyoshi Yamashita works at Mitsubishi Rayon Company, Limited, where he has played an integral role in shaping the company's approach to light guide technologies. His extensive background in polymer science and engineering has driven the development of numerous innovations that improve product functionality and usability in various applications.
Collaborations: Throughout his career, Yamashita has collaborated with esteemed colleagues such as Issei Chiba and Yasuko Hayashi. Together, they contribute to a vibrant research environment that fosters creativity and advances technological frontiers in optical materials.
Conclusion: Tomoyoshi Yamashita exemplifies the spirit of innovation in the optical technology sector. His contributions through numerous patents underscore his role as a leading inventor in the field, particularly in the development of advanced light guide articles and compositions. As the demand for efficient optical solutions continues to grow, Yamashita's work remains at the forefront of this evolution.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile