Location History:
- Hyogo, JP (2009)
- Itami, JP (2007 - 2011)
Company Filing History:
Years Active: 2007-2011
Title: Innovations by Toshihiko Ushiro: Pioneering Optical Technologies
Introduction
Toshihiko Ushiro, based in Itami, Japan, is a notable inventor recognized for his contributions to optical technologies. With a total of six patents to his name, he has played a significant role in advancing the field of optics through innovative developments in materials and devices.
Latest Patents
Ushiro's latest patents showcase his expertise in creating advanced optical materials. One of his notable inventions is a silicon-oxygen (Si-O) containing hydrogenated carbon film. This film is used as an optical medium with a refractive index ranging from 1.48 to 1.85 for light at a 520 nm wavelength. It also features a low extinction coefficient of less than 0.15 for light of 248 nm, which can be reduced through energy beam irradiation. This innovation allows for the creation of various optical elements and devices.
Another significant patent involves diffractive optical elements that can be produced efficiently and cost-effectively. This technology introduces a refractive-index-modulated diffractive optical element with a transparent diamond-like carbon (DLC) film. The film, formed on a transparent substrate, incorporates a diffraction grating with varying refractive indices, which can be created using ion beam irradiation.
Career Highlights
Toshihiko Ushiro works at Sumitomo Electric Industries, Limited, where he contributes to ongoing innovations in optical technologies. His focus on developing practical optical elements positions him as a key player in the industry, enhancing the functionality and affordability of optical devices.
Collaborations
Throughout his career, Ushiro has collaborated with esteemed colleagues like Takashi Matsuura and Soichiro Okubo, furthering the research and development of optical technologies. These collaborations have significantly impacted the innovations in the devices they have created together.
Conclusion
Toshihiko Ushiro’s work exemplifies the spirit of innovation in optics. Through his patents, he has laid the groundwork for new optical materials and devices, demonstrating the potential for technological advancements that enhance various applications in the industry. With his ongoing contributions, Ushiro remains a pivotal figure in the field of optical technology development.