This inventor holds 3 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1988
Title: **Katsuramaru Fujita: Innovator in Plastic Optical Fiber Technology**
Introduction
Katsuramaru Fujita is a distinguished inventor based in Osaka, Japan, renowned for his contributions to the field of optical fiber technology. With a total of three patents, he has made significant advancements that enhance the efficiency and durability of optical communication systems.
Latest Patents
Fujita's latest innovations include a heat and humidity-resistant plastic optical fiber. This cutting-edge optical fiber features a core crafted from a polymer that includes units of deuterated methyl methacrylate, with a methacrylic ester that has an alicyclic hydrocarbon group containing 6 to 20 carbon atoms. The cladding of this fiber is composed of a transparent polymeric material, designed to exhibit a refractive index that is at least 3% smaller than that of the core, ensuring excellent light transmission even under challenging environmental conditions. Furthermore, he has developed a plastic optical cable that comprises a core, a cladding layer, and a protective layer made of an ester type thermoplastic elastomer. This innovation is characterized by low thermal shrinkage and minimal light transmission attenuation, even at elevated temperatures.
Career Highlights
Fujita is currently associated with Sumitomo Chemical Company, Limited, a prestigious firm that plays a crucial role in the development of innovative materials and technologies. His work significantly contributes to the company’s mission of advancing optical communication technologies.
Collaborations
Throughout his career, Katsuramaru Fujita has collaborated with talented colleagues, including Yoshiharu Tatsukami and Motonobu Furuta. These partnerships have fostered an environment of innovation and creativity, leading to the successful development and patenting of his groundbreaking inventions.
Conclusion
Katsuramaru Fujita stands out as a pioneer in the field of optical technology, with his recent patents pushing the boundaries of what is possible in plastic optical fibers. His contributions not only reflect his dedication to innovation but also underscore the importance of collaboration in achieving technological advancements that could shape the future of optical communication.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile