This inventor holds 6 USPTO granted patents. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1987-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1987-2006
Title: Toshio Oshima: Optical Fiber Inspection and Selection
Introduction
Toshio Oshima is an inventor based in Yokohama, Japan, whose patent work includes methods and systems for inspecting optical fiber. He is associated with Sumitomo Electric Industries, Limited, and has 6 patents.
Latest Patents
Oshima’s latest listed patent, “Method for Selection of Optical Fiber and System for Inspection of Optical Fiber,” describes an approach to detecting anomalies in optical fiber using an optical time-domain reflectometer (OTDR) waveform.
The system measures the waveform and evaluates it at successive time points. It calculates the waveform’s gradient and changes in gradient, then checks whether those values fall within defined allowable ranges. This method is intended to support reliable anomaly detection and optical fiber selection.
Career Highlights
Oshima’s patent activity reflects work on optical fiber inspection technologies. His listed invention applies waveform analysis to assess fiber condition, connecting measurement and evaluation in a single inspection system.
Collaborations
Oshima is associated with Sumitomo Electric Industries, Limited. His listed coworkers include Yoshiaki Terasawa and Osamu Ichikawa.
Conclusion
Toshio Oshima’s patent work focuses on using OTDR waveform analysis to improve the inspection and selection of optical fiber.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile