Location History:
- Osaka, JP (1993 - 2007)
- Tokyo, JP (2009)
Company Filing History:
12 out of 1,156 
1 out of 832,680 Years Active: 1993-2009
Title: Shigeki Nakagaki: Innovator in Glass Composition Technology
Introduction
Shigeki Nakagaki is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of glass composition, holding a total of 12 patents. His innovative work focuses on developing glass materials with unique optical properties.
Latest Patents
One of Nakagaki's latest patents is a glass composition that emits fluorescence in the infrared wavelength region. This invention provides a glass composition that exhibits both fluorescence and optical amplification functions across a wide wavelength range. The composition includes bismuth oxide, silicon oxide, aluminum oxide, and a divalent metal oxide. The bismuth contained in the bismuth oxide serves as a fluorescent source, allowing the glass to emit fluorescence when exposed to excitation light.
Another notable patent is a glass composition designed for poling and a glass functional product containing the same. This invention includes 0.001 to 0.5 mol % of univalent metal ions in terms of oxide, 0.1 to 40 mol % of aluminum oxide, and 0 to 15 mol % of boron oxide. The ratio of the number of moles of aluminum oxide to the sum of moles of oxide, in terms of which the univalent metal ions are expressed, is at least 1.0. Suitable univalent metal ions include lithium, sodium, potassium, cesium, silver, copper, and gold.
Career Highlights
Throughout his career, Nakagaki has worked with notable companies, including Nippon Sheet Glass Company, Limited. His expertise in glass technology has positioned him as a key figure in the industry, contributing to advancements in optical materials.
Collaborations
Some of Nakagaki's coworkers include Koichi Sakaguchi and Shinjiro Domi. Their collaborative efforts have further enhanced the development of innovative glass compositions.
Conclusion
Shigeki Nakagaki's contributions to glass composition technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials science and a drive to create functional and advanced glass products.
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.