This inventor holds 6 USPTO granted patents and 8 published patent applications and 2 EPO patents. Top assignee: Oji Holdings Corporation. Active years: 2016-2021.
Company Filing History:
Years Active: 2016-2021
Title: The Innovative Contributions of Kotaro Dai
Introduction
Kotaro Dai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 6 patents. His work focuses on developing advanced optical elements and antireflective structures that enhance the performance of various optical devices.
Latest Patents
Dai's latest patents include an innovative antireflective structure. This structure features multiple light-absorbing units, each designed with a bottomed cylindrical shape. The design includes a bottom portion with a substantially circular outer edge and a wall portion that rises along this edge. The average height of the wall portions ranges from 5 µm to 100 µm, while the average opening diameter is between 1 µm and 10 µm. Additionally, a pinching structure with minute projections is formed on the bottom portion, enhancing its optical properties.
Another notable patent is an optical element that incorporates an anti-reflection layer on multiple small concave protrusions. These protrusions are designed with a modal pitch that is less than or equal to the wavelength of light in the intended environment. The design ensures that 80% or more of the concave protrusions include one or more steps, adhering to specific dimensional conditions that optimize their functionality.
Career Highlights
Kotaro Dai is currently employed at Oji Holdings Corporation, where he continues to push the boundaries of optical technology. His innovative work has garnered attention in the industry, contributing to advancements in various applications.
Collaborations
Dai collaborates with talented colleagues, including Kei Shinotsuka and Yasuhito Kajita. Their combined expertise fosters a creative environment that drives innovation and enhances the development of new technologies.
Conclusion
Kotaro Dai's contributions to optical technology through his patents and collaborations highlight his role as a leading inventor in the field. His work not only advances the technology but also sets a foundation for future innovations in optical applications.