This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Seiji Arakawa - Innovator in Fluorine-Containing Silica Glass Production
Introduction
Seiji Arakawa is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the production of fluorine-containing silica glass. His innovative methods have the potential to enhance various applications in technology and industry.
Latest Patents
Arakawa holds a patent for a method for producing fluorine-containing silica glass. This method involves several key processes, including decompression degassing, fluorine adding, and heat treatment. The process begins with degassing the inside of a furnace core tube under reduced pressure while heating it. A porous silica glass body is inserted into the furnace core tube, which is housed in an airtight container. Following this, a fluorine compound gas is supplied into the furnace core tube, and any remaining gas is exhausted. The porous silica glass body undergoes a first heat treatment under reduced pressure, followed by a second heat treatment at a higher temperature than the previous processes.
Career Highlights
Seiji Arakawa is currently employed at Sumitomo Electric Industries, Limited, where he continues to develop innovative solutions in materials science. His work has garnered attention for its practical applications and potential impact on the industry.
Collaborations
Arakawa collaborates with fellow inventor Shinji Ishikawa, contributing to advancements in their field through shared expertise and innovative ideas.
Conclusion
Seiji Arakawa's contributions to the production of fluorine-containing silica glass exemplify the importance of innovation in materials science. His patented methods and ongoing work at Sumitomo Electric Industries, Limited, highlight his role as a key figure in advancing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
