This inventor holds 7 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Agency of Industrial Science and Technology, Research Institute of Innovative Technology for the Earth. Active years: 1992-2000.
Company Filing History:
7 out of 10,627 
1 out of 1,430 
1 out of 45 Years Active: 1992-2000
Title: Takayuki Mishima: Innovator in Optical Fiber Technology
Introduction
Takayuki Mishima is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 7 patents. His work focuses on improving the performance and cost-effectiveness of optical fibers, which are essential for modern communication systems.
Latest Patents
One of his latest inventions is a large-diameter optical fiber designed to enhance bandwidth and reduce bending loss while being produced at a lower cost with higher productivity. This innovative optical fiber features an inner core with a refractive index profile that increases toward the center axis. It also includes an outer core with a constant refractive index that does not exceed the minimum refractive index of the inner core. Additionally, the cladding surrounding the outer core is made from a plastic material with a refractive index lower than that of the outer core. The total refractive index difference is defined as the difference between the maximum refractive index of the inner core and the refractive index of the cladding, which ranges from 0.015 to 0.1. The outer core diameter is specified to be between 100 µm and 500 µm.
Career Highlights
Throughout his career, Takayuki Mishima has worked with notable companies, including Sumitomo Electric Industries, Limited and the Agency of Industrial Science and Technology. His experience in these organizations has contributed to his expertise in optical fiber technology and innovation.
Collaborations
Takayuki has collaborated with several talented individuals in his field, including Hiroaki Nishimoto and Kazuki Sogabe. These collaborations have further enriched his work and led to advancements in optical fiber technology.
Conclusion
Takayuki Mishima is a key figure in the development of advanced optical fibers, with a focus on enhancing performance and reducing production costs. His contributions to the field are invaluable and continue to influence the future of communication technology.