Location History:
- Yokohama, JP (2009 - 2011)
- Chiyoda-ku, JP (2021)
Company Filing History:
Years Active: 2009-2021
Title: Ryuichi Hasegawa - Innovator in Light-emitting Devices and Azo Dyes
Introduction
Ryuichi Hasegawa is a prominent inventor based in Yokohama, Japan. His extensive work in the field of materials science has led to the development of several innovative technologies. With three patented inventions to his name, Hasegawa focuses primarily on phosphors and azo dyes, contributing significantly to the advancement of light-emitting devices and polarizing elements.
Latest Patents
Hasegawa's latest patents include groundbreaking inventions in the realm of phosphors, light-emitting devices, and image display devices. One notable patent provides a phosphor that features a crystal phase represented by the formula EuSiAlON. This phosphor is characterized by a microstrain of 0.049% or less, calculated by the Halder-Wagner method, which positions it as a remarkable innovation for lighting applications.
Additionally, Hasegawa has developed a method for azo dyes and compositions for anisotropic dye films. This patent details a dye capable of forming films with high dichroism and exceptional molecular orientation, along with a composition and polarizing element derived from this dye, showcasing a significant advancement in the field of optical materials.
Career Highlights
Hasegawa's career is marked by his association with Mitsubishi Chemical Corporation, where his innovative work has contributed to the company’s reputation as a leader in chemical and material science. Through his patents, Hasegawa has played a crucial role in enhancing the functionality and efficiency of light-emitting devices.
Collaborations
His collaborations with esteemed colleagues, including Hideo Sano and Masami Kadowaki, have fostered a productive research environment. Together, they continue to explore new possibilities within the field of materials science, furthering the impact of their research on various industries.
Conclusion
In conclusion, Ryuichi Hasegawa stands out as an influential inventor, pushing the boundaries of innovation in the fields of phosphors and azo dyes. His contributions through patents have opened new avenues in technology development, reflecting his dedication to advancing material sciences and their applications in everyday life.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.