This inventor holds 5 USPTO granted patents. 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: Yudai Watanabe: Innovator in Optical Fiber Technology
Introduction
Yudai Watanabe is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical fiber technology. With a total of 5 patents, Watanabe's work focuses on enhancing the performance and reliability of optical fibers.
Latest Patents
Watanabe's latest patents involve innovative designs for optical fibers. The first patent describes an optical fiber that includes a glass fiber and a coating resin layer. This coating resin layer consists of a primary resin layer and a secondary resin layer. The glass fiber has an outer diameter ranging from 124 μm to 126 μm, while the secondary resin layer has an outer diameter between 145 μm and 170 μm. The primary resin layer exhibits an in situ elastic modulus of 0.1 MPa to 0.5 MPa, and the secondary resin layer has an in situ elastic modulus of 1200 MPa to 2800 MPa. Additionally, the maximum value of amplitude of an amount of eccentricity is 6 μm or less, measured through Fourier transform analysis.
The second patent also focuses on optical fiber technology, featuring a glass fiber and a coating resin layer. In this design, the glass fiber has an outer diameter of 99 μm to 101 μm, and the secondary resin layer's outer diameter ranges from 120 μm to 170 μm. The primary resin layer has an in situ elastic modulus of 0.1 MPa to 0.4 MPa, while the secondary resin layer maintains an in situ elastic modulus of 1200 MPa to 2800 MPa. Similar to the first patent, the maximum value of amplitude of an amount of eccentricity is 6 μm or less.
Career Highlights
Yudai Watanabe is currently employed at Sumitomo Electric Industries, Limited. His work at this esteemed company has allowed him to further develop his expertise in optical fiber technology.
Collaborations
Watanabe collaborates with Takahiro Nomura, contributing to advancements in their field.
Conclusion
Yudai Watanabe is a notable inventor whose work in optical fiber technology has led to significant innovations. His patents reflect a commitment to improving the performance of optical
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile