This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Tosoh Quartz Corporation. Active years: 2024.
Company Filing History:
Years Active: 2024
Title: Chiemi Ito: Innovator in Opaque Quartz Glass Technology
Introduction
Chiemi Ito is a notable inventor based in Yamagata, Japan, recognized for his contributions to the field of quartz glass technology. With a total of 2 patents, he has made significant advancements in the manufacturing of opaque quartz glass, which has various applications in industries requiring high mechanical strength and light-blocking properties.
Latest Patents
Chiemi Ito's latest patents focus on the development of opaque quartz glass and methods for its production. One of his patents describes a large-sized opaque quartz glass ingot that boasts excellent heat ray shielding properties, outstanding light-blocking capabilities, high mechanical strength, and minimal roughness on the baked finished smooth surface. The design of the bubbles within the quartz glass is nearly spherical, with an average particle size of 1 μm or less. This design enhances the strength of the opaque quartz glass ingot by reducing stress concentration at the edges of the bubbles and alleviating surface roughness caused by baking.
Another patent outlines a method for producing opaque quartz glass that exhibits high light-shielding properties, excellent mechanical strength, and superior cleaning resistance against hydrofluoric acid. By controlling the maximum width of the amorphous bubbles to an average of 3 to 15 μm and ensuring a density of 2.15 g/cm³ or more, the mechanical strength after baking and the cleaning resistance are significantly improved. The opaque quartz glass achieves a whiteness of 75 to 90% at a thickness of 10 mm, with a light reflectance of 60 to 85% at a thickness of 4 mm, and a bending strength of 95 MPa. Additionally, a foaming agent can be incorporated to enhance the cleaning resistance against acid.
Career Highlights
Chiemi Ito is currently employed at Tosoh Quartz Corporation, where he continues to innovate in the field of quartz glass technology. His work has positioned him as a key figure in the development of materials that meet the demanding requirements of various industrial applications.
Collaborations
Throughout his career, Chiemi has collaborated with talented coworkers, including Takashi Taniguchi and Takaya Suzuki. These collaborations have contributed to the successful development of his patented technologies.
Conclusion
Chiemi Ito's innovative work in opaque quartz glass technology has led to