Company Filing History:
2 out of 2,916 
1 out of 52,722 
1 out of 53 Years Active: 1981-1988
Title: Hironori Maki: Innovator in Optical Fiber Technology
Introduction
Hironori Maki is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 3 patents. His work focuses on enhancing the performance and durability of optical fibers, which are essential for modern communication systems.
Latest Patents
Maki's latest patents include innovative developments in cladding glass for optical fibers. The cladding glass comprises 60 to 80% by weight of silicon dioxide (SiO.sub.2), 0.5 to 10% by weight of aluminum oxide (Al.sub.2 O.sub.3), 9 to 17% by weight of an alkali metal oxide, 3 to 15% by weight of boron oxide (B.sub.2 O.sub.3), and more than 0 but not more than 3% by weight of fluorine (F). This invention can simultaneously satisfy low refractive index and lowered viscosity, while also exhibiting excellent water resistance and weathering resistance. Another significant patent is for a multi-component glass optical fiber for optical communication. This fiber features a core made from a multi-component system glass that includes SiO.sub.2, BaO, Al.sub.2 O.sub.3, B.sub.2 O.sub.3, and various alkali metal oxides. The clad layer is composed of SiO.sub.2, Al.sub.2 O.sub.3, B.sub.2 O.sub.3, and alkaline earth metals. This design results in lower optical loss and high weathering resistance, ensuring dimensional stability during fiber drawing.
Career Highlights
Throughout his career, Hironori Maki has worked with prominent companies such as Tokyo Shibaura Denki Kabushiki Kaisha and Toshiba Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical fiber technology.
Collaborations
Maki has collaborated with notable colleagues, including Mituo Kasori and Takeshi Takano. Their combined expertise has contributed to advancements in the field of optical communication.
Conclusion
Hironori Maki's contributions to optical fiber technology have made a significant impact on the industry. His innovative patents and collaborations highlight his dedication to improving communication systems. His work continues to influence
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