Company Filing History:
Years Active: 1990-2003
Title: Noboru Nakakuki: Innovator in Flexible Flat Cables and Plastic Optical Fibers
Introduction
Noboru Nakakuki, an accomplished inventor based in Ibaraki, Japan, has made significant contributions to the field of flexible electronics and optical materials. With two patents to his name, Nakakuki demonstrates a commitment to advancing technology through innovation.
Latest Patents
One of his prominent inventions is the "Heat-resistant, flex-resistant flexible flat cable and process for producing the same." This design features a flexible flat cable composed of individual conductors sandwiched between resilient plastic films. These films possess a modulus of longitudinal elasticity of at least 300 kg/mm and are constructed from polyimide, ensuring durability and flexibility. Additionally, the adhesive used in this cable features an epoxy with a glass transition temperature of 80°C or higher, complemented by a peel strength of 0.5 kg/cm.
His second noteworthy patent is for an "Improved plastic optical fiber and a process for fabricating the same." This innovation includes a core surrounded by a cladding that has a lower refractive index, which consists of an inner transparent layer and an outer colored, opaque layer. These layers are bonded through simultaneous extrusion, producing a robust and efficient optical fiber.
Career Highlights
Noboru Nakakuki has dedicated his career to developing advanced materials at Hitachi Cable, Inc., a leading company in the field of cable and optical technologies. His work focuses on making products that are both practical and innovative, addressing the growing demand for high-performance flexible electronics.
Collaborations
Throughout his career, Nakakuki has collaborated with notable colleagues, including Kazuhide Oda and Masatoshi Tagami. Together, they have contributed to the research and development of various technologies, enhancing the capabilities and applications of their products in the industry.
Conclusion
Noboru Nakakuki remains a prominent figure in the realm of inventions related to flexible flat cables and plastic optical fibers. His innovative patents reflect a deep understanding of materials science and engineering, solidifying his reputation as a skilled inventor dedicated to technological progress.