Location History:
- Sagamihara, JP (1995 - 2014)
- Kanagawa, JP (2016)
Company Filing History:
9 out of 103 
6 out of 91 
1 out of 11 Years Active: 1995-2016
Title: Innovations of Masahiro Onozawa in Optical Glass Technology
Introduction
Masahiro Onozawa is a prominent inventor based in Sagamihara, Japan, known for his significant contributions to the field of optical glass technology. With a total of 16 patents to his name, Onozawa has made remarkable advancements that address both environmental concerns and the performance of optical materials.
Latest Patents
Onozawa's latest patents include innovative optical glass formulations that do not contain lead, which is recognized as an environmental pollutant. This optical glass is designed for optimal light transmission, even after exposure to X-rays, and boasts a high refractive index. The composition includes 1.0% to 60.0% of an SiO component, along with essential components such as LaO, ZrO, TiO, NbO, and TaO. The glass achieves a refractive index of 1.50 or greater and demonstrates a light intensity recovery rate of 45% or more after X-ray irradiation. Another notable patent features optical glass with a high refractive index of not less than 1.75 and an Abbe's number of not less than 35, ensuring minimal impact from temperature changes in the environment. This glass incorporates SiO, BO, and LaO as essential components, with carefully adjusted ratios to achieve optimal performance.
Career Highlights
Throughout his career, Ono