Location History:
- Hitachi, JP (1990)
- Tokyo, JP (2009 - 2012)
- Miyagi, JP (2017)
Company Filing History:
Years Active: 1990-2017
Title: Tooru Nagai: Innovator in Optical Technology
Introduction
Tooru Nagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of four patents. His work focuses on the development of advanced optical elements and devices, showcasing his expertise and innovative spirit.
Latest Patents
Nagai's latest patents include an optical element and a method for manufacturing a master for producing optical elements. This optical element features a plurality of structures, including convex and concave portions, arranged on a base member surface. The arrangement pitch of these structures ranges from 380 nm to 680 nm, with an aspect ratio between 0.62 and 1.09. Another notable patent involves an optical device and a method for producing a master for use in creating optical devices and photoelectric conversion apparatuses. In this invention, structures with higher and lower portions are arranged at a fine pitch equal to or shorter than the wavelength of visible light on a base surface. These structures form a quasi-hexagonal lattice pattern and have an elliptical cone or truncated elliptical cone shape.
Career Highlights
Tooru Nagai has worked with renowned companies such as Sony Corporation and Sony Disc & Digital Solutions Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in optical technology.
Collaborations
Throughout his career, Nagai has collaborated with notable colleagues, including Sohmei Endoh and Kazuya Hayashibe. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Tooru Nagai is a distinguished inventor whose work in optical technology has led to significant advancements in the field. His patents reflect his innovative approach and dedication to improving optical devices.