Location History:
- Mine, JP (2010)
- Yamaguchi, JP (1998 - 2015)
- Ube, JP (1984 - 2018)
Company Filing History:
Years Active: 1984-2018
Title: Masataka Fujinaga: Innovator in Oxynitride Phosphor Technology
Introduction
Masataka Fujinaga is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of phosphor technology, particularly in the development of oxynitride phosphor powders. With a total of 15 patents to his name, Fujinaga's work has advanced the efficiency and effectiveness of phosphor materials used in various applications.
Latest Patents
Fujinaga's latest patents include innovative methods for producing oxynitride phosphor powders. One notable patent describes an oxynitride phosphor powder that exhibits a fluorescence peak wavelength of 587 to 630 nm, along with a high external quantum efficiency. The production method involves mixing silicon nitride powder with various sources of aluminum, calcium, and europium, followed by firing the mixture at temperatures between 1500 to 2000°C in an inert or reducing gas atmosphere. Another patent focuses on an (oxy)nitride phosphor powder with a fluorescence peak wavelength of 610 to 625 nm, which also boasts higher external quantum efficiency compared to conventional materials. This powder includes an α-type SiAlON and aluminum nitride, with specific compositional formulas to ensure optimal performance.
Career Highlights
Fujinaga has had a distinguished career, working with notable companies such as Ube Industries, Inc. and Ube Electronics, Ltd. His expertise in phosphor technology has positioned him as a key figure in the industry, contributing to advancements that enhance the performance of lighting and display technologies.
Collaborations
Throughout his career, Fujinaga has collaborated with talented individuals, including Shinsuke Jida and Takuma Sakai. These partnerships have fostered innovation and have been instrumental in the development of new technologies in the field of phosphors.
Conclusion
Masataka Fujinaga's contributions to the field of oxynitride phosphor technology have made a significant impact on the industry. His innovative patents and collaborations highlight his role as a leading inventor in this specialized area.
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.