Company Filing History:
Years Active: 2020-2025
Title: Kumiko Yashima: Innovator in Optical Technology
Introduction
Kumiko Yashima is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of optical technology, holding a total of 3 patents. Her innovative work has garnered attention in the industry, particularly for its practical applications in optical elements and image pickup apparatuses.
Latest Patents
Yashima's latest patents include an optical element, an optical apparatus, and an image pickup apparatus. The optical element features a first lens, a second lens, and an optical resin arranged between the lenses. The opposing surfaces of the first lens and the optical resin, as well as the surfaces of the optical resin and the second lens, are bonded using an adhesive resin with a specific elastic modulus. The first lens is designed as a convex lens, while the second lens is a concave lens. Notably, the thickness of the center of the optical resin exceeds that of its outer edge. Additionally, the second lens incorporates a step structure that is thinner than its maximum thickness, with specific relationships between the thickness of the step structure and the optical resin's center thickness.
Another patent focuses on a cured product of a resin composition that includes a (meth)acrylate compound and a compound with at least one thiol group. This cured product maintains a content of the thiol group compound at 30 mass % or less and exhibits a secondary dispersion characteristic of 0.65 or more.
Career Highlights
Kumiko Yashima is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical technologies. Her work at Canon has allowed her to push the boundaries of optical innovation, contributing to advancements that enhance image quality and optical performance.
Collaborations
Yashima has collaborated with notable colleagues, including Kei Tagami and Kouichi Yonetani. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise in optical technology.
Conclusion
Kumiko Yashima's contributions to optical technology through her patents and work at Canon highlight her role as a leading innovator in the field. Her advancements continue to influence the development of optical elements and imaging systems, showcasing the importance of innovation in technology.