Location History:
- Nishinomiya, JP (1985)
- Osaka, JP (1998 - 2008)
- Tokyo, JP (2009)
Company Filing History:
19 out of 1,156 
1 out of 832,680 Years Active: 1985-2009
Title: **Innovations by Shigekazu Yoshii: A Pioneer in Glass Composition Patents**
Introduction
Shigekazu Yoshii, an accomplished inventor based in Osaka, Japan, has made significant contributions to the field of glass technology. With a remarkable portfolio of 19 patents, his work focuses primarily on creating innovative glass compositions with unique properties. His inventions have paved the way for advancements in various applications, particularly in optical technologies.
Latest Patents
Among his latest patents, Shigekazu Yoshii has developed a glass composition that emits fluorescence in the infrared wavelength region. This invention presents a glass composition incorporating bismuth oxide, silicon oxide, aluminum oxide, and a divalent metal oxide. When exposed to excitation light, it emits fluorescence in a wide wavelength range, making it valuable for various optical applications.
Another significant patent by Yoshii is the development of ultraviolet/infrared absorbent low transmittance glass. This glass is formulated with a specific range of base components, including silica and various metal oxides. The resultant glass exhibits a turquoise blue or deep green color and is designed to effectively absorb ultraviolet and infrared light, making it useful for protective applications.
Career Highlights
Throughout his career, Shigekazu Yoshii has worked with notable companies, including Nippon Sheet Glass Company, Limited, where he contributed to advancements in glass technology. His innovative spirit and dedication to research have earned him a place among leading inventors in his field.
Collaborations
Yoshii has had the privilege of collaborating with talented individuals like Hiromitsu Seto and Yukihito Nagashima. These partnerships have fostered an environment of creativity and innovation, allowing for the successful development of groundbreaking glass products.
Conclusion
In conclusion, Shigekazu Yoshii's contributions to the field of glass composition highlight his role as a leading inventor in Japan. His 19 patents reflect his ingenuity and commitment to innovation, particularly in developing materials with specialized optical properties. As advancements in technology continue, Yoshii's work will undoubtedly influence future developments in the glass industry.
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.