This inventor holds 13 USPTO granted patents and 2 EPO patents. Top assignees: Shin-Etsu Chemical Co., Ltd., Other. Active years: 1991-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Gunma, JP (1991 - 1993)
- Annaka, JP (1992 - 2006)
Company Filing History:
12 out of 5,989 
1 out of 834,513 Years Active: 1991-2006
Title: Hiroshi Tsumura: Innovator in Glass Base Material Manufacturing
Introduction
Hiroshi Tsumura is a prominent inventor based in Annaka, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 13 patents. His innovative work focuses on the manufacturing processes of glass base materials, which are essential for optical fibers.
Latest Patents
Tsumura's latest patents include a glass base material manufacturing apparatus and a glass base material manufacturing method. The apparatus is designed to manufacture a glass base material, which serves as the foundation for optical fibers. It features a base rod around which the glass base material is formed, along with a burner that hydrolyzes and accumulates a gas material. This gas material is crucial for the formation of the glass base material. Additionally, the apparatus includes a first burner-moving unit that moves the burner parallel to the base rod's longitudinal direction, and a second burner-moving unit that moves the first burner-moving unit in the same direction.
Another notable patent involves an apparatus for manufacturing glass base material, which includes a tank that contains the raw material. This tank vaporizes the raw material to generate a gas phase, while a temperature control unit regulates the temperature and a pressure control unit manages the pressure of the gas phase raw material.
Career Highlights
Throughout his career, Hiroshi Tsumura has worked with notable companies, including Shin-Etsu Chemical Co., Ltd. His expertise in glass base material manufacturing has positioned him as a key figure in the development of optical fiber technology.
Collaborations
Tsumura has collaborated with several professionals in his field, including Kazushi Satoh and Tadakatsu Shimada. These collaborations have contributed to the advancement of his innovative projects and patents.
Conclusion
Hiroshi Tsumura's contributions to the field of optical fiber technology through his patents and career achievements highlight his role as a leading inventor. His work continues to influence the manufacturing processes of glass base materials, paving the way for advancements in optical communication.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile