Location History:
- Ibaraki, JP (2015)
- Tsukuba, JP (2017)
Company Filing History:
2 out of 551 
1 out of 25,560 
Years Active: 2015-2017
Title: Hiroyo Segawa: Innovator in Wavelength Converting Technology
Introduction
Hiroyo Segawa is a prominent inventor based in Tsukuba, Japan. She has made significant contributions to the field of light-emitting devices and wavelength converting materials. With a total of 2 patents, her work has garnered attention for its innovative approach to enhancing light-emitting technologies.
Latest Patents
Hiroyo Segawa's latest patents include a wavelength converting member and a method for producing a wavelength converting member. The wavelength converting member consists of silica glass and a variety of fluorescent material particles, including oxynitride or nitride fluorescent materials. These particles are dispersed within the silica glass and include at least two types of fluorescent materials that emit light at different peak wavelengths. The density of this wavelength converting member ranges from 0.8 g/cm³ to 1.2 g/cm³. Additionally, her method for producing fluorescent material-dispersed glass involves a sol-gel reaction and acid-base reaction, leading to the creation of a fluorescent material-dispersed gel that is subsequently heated to form the final glass product.
Career Highlights
Throughout her career, Hiroyo Segawa has worked with esteemed organizations such as the National Institute for Materials Science and Sharp Corporation. Her experience in these institutions has allowed her to develop and refine her innovative technologies, contributing to advancements in the field.
Collaborations
Hiroyo has collaborated with notable colleagues, including Naoto Hirosaki and Kenichi Yoshimura. These partnerships have facilitated the exchange of ideas and expertise, further enhancing her research and development efforts.
Conclusion
Hiroyo Segawa's contributions to the field of wavelength converting technology exemplify her innovative spirit and dedication to advancing light-emitting devices. Her patents reflect a commitment to improving the efficiency and functionality of these technologies, marking her as a significant figure in her field.