Location History:
- Kusatsu, JP (2004 - 2006)
- Otsu, JP (2008 - 2015)
- Shiga, JP (2003 - 2024)
Company Filing History:
16 out of 605 
2 out of 3,091 
Years Active: 2003-2024
Title: The Innovative Contributions of Yoshio Umayahara
Introduction
Yoshio Umayahara is a prominent inventor based in Otsu, Japan, known for his significant contributions to the field of materials science. With a total of 16 patents to his name, he has made remarkable advancements in the development of glass powders and dielectric materials.
Latest Patents
Umayahara's latest patents include innovative technologies such as a glass powder formed of alkali borosilicate glass. This glass powder contains specific molar ratios of LiO, NaO, and KO, achieving a dielectric constant of 3.5 to 4.0 at 25° C. and 16 GHz. Another notable patent involves a composite powder that combines glass and ceramic materials, which is utilized for light reflective substrates in light-emitting devices.
Career Highlights
Throughout his career, Umayahara has worked with leading companies in the industry, including Nippon Electric Glass Co., Ltd. and Nichia Corporation. His work has significantly impacted the development of advanced materials used in various applications.
Collaborations
Umayahara has collaborated with notable colleagues such as Masaru Iwao and Yoshikatsu Nishikawa, contributing to the advancement of innovative technologies in his field.
Conclusion
Yoshio Umayahara's contributions to materials science and his extensive patent portfolio highlight his role as a leading inventor in the industry. His work continues to influence the development of new technologies and materials.