Location History:
- Shijonawate, JP (1993)
- Osaka-fu, JP (1996)
Company Filing History:
Years Active: 1993-1996
Title: Kiyoko Ohshima: Innovator in Infrared Optical Fiber Technology
Introduction
Kiyoko Ohshima is a prominent inventor based in Shijonawate, Japan. She has made significant contributions to the field of optical fiber technology, particularly in the development of infrared optical fibers. With a total of 2 patents to her name, her work has advanced the capabilities and applications of infrared fibers in various industries.
Latest Patents
Ohshima's latest patents include a method of manufacturing an infrared optical fiber and an infrared optical fiber itself. The first patent describes a method that involves hot extruding silver halide crystals through a die while applying a pressure of 5 to 15 tons/cm². This process also includes a tensile load that is greater than the yield stress but smaller than the rupture stress of the infrared optical fiber. This innovative method results in an infrared fiber with minimal variation in linearity. The second patent provides an infrared optical fiber composed of silver halide polycrystals, with a composition ratio of silver chloride and silver bromide ranging from 30 to 70 percent by weight of silver chloride. The average grain size of the crystals is 5 µm or less, and the manufacturing method involves extruding a silver halide single crystal under specific pressure and tensile load conditions.
Career Highlights
Kiyoko Ohshima is currently employed at Matsushita Electric Industrial Co., Ltd., where she continues to push the boundaries of optical fiber technology. Her work has not only contributed to the advancement of materials science but has also paved the way for new applications in telecommunications and other fields.
Collaborations
Ohshima has collaborated with notable coworkers such as Kazuhiro Kayashima and Fumikazu Tateishi. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Kiyoko Ohshima's contributions to infrared optical fiber technology exemplify her dedication to innovation and excellence in her field. Her patents reflect a deep understanding of materials and manufacturing processes, making her a key figure in the advancement of optical fiber technology.