Company Filing History:
Years Active: 2019
Title: Innovations by Hirofumi Matsubara
Introduction
Hirofumi Matsubara is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of low-reflection coatings, which are essential in enhancing the performance of photoelectric conversion devices. His innovative work has led to the development of a unique coating that improves transmittance in various applications.
Latest Patents
Matsubara holds a patent for a low-reflection coating, low-reflection coated substrate, and photoelectric conversion device. This invention features a porous film composed of fine silica particles that are solid and spherical, with an average particle diameter ranging from 80 to 150 nm. The binder used in this coating primarily consists of silica, which binds the fine silica particles together. Additionally, the binder contains an aluminum compound. The composition of the low-reflection coating includes 55 to 70 mass % of fine silica particles, 25 to 40 mass % of silica from the binder, and 2 to 7 mass % of the aluminum compound in terms of AlO. The coating has a thickness between 80 to 800 nm and yields a transmittance gain of 2.5% or more when applied to a substrate. This gain represents an increase in average transmittance measured in the wavelength range of 380 to 850 nm.
Career Highlights
Matsubara is associated with Nippon Sheet Glass Company, Limited, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of low-reflection coatings, which are crucial for improving the efficiency of various optical devices.
Collaborations
Matsubara has collaborated with notable coworkers, including Mizuho Koyo and Fumiyoshi Kondo. Their combined expertise has contributed to the successful development of innovative solutions in the field of coatings.
Conclusion
Hirofumi Matsubara's contributions to the field of low-reflection coatings exemplify the impact of innovation in enhancing optical technologies. His patent reflects a significant advancement that benefits various applications in the industry.