Company Filing History:
Years Active: 2005-2015
Title: Manabu Kudoh: Innovator in Optical Fiber Technology
Introduction
Manabu Kudoh is a prominent inventor based in Sakura, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 7 patents. His work focuses on enhancing the performance and efficiency of optical fibers, which are crucial for modern communication systems.
Latest Patents
One of his latest inventions is a polarization-maintaining optical fiber. This innovative fiber includes a core, a pair of stress-applying parts on both sides of the core, and a cladding that surrounds these components. It operates effectively within a wavelength range of 400 to 680 nm. The specifications include a cladding diameter of 125 µm, a stress-applying part diameter of 33 to 37 µm, and a distance between the stress-applying parts of 8.6 to 15.4 µm. The relative refractive index difference between the core and cladding is between 0.35 to 0.45%, with a cut-off wavelength of less than or equal to 400 nm.
Another notable patent is for a low-loss optical fiber that operates over a wide wavelength range. This fiber boasts a transmission loss of less than or equal to 40 dB/km across the entire wavelength range of 400-1400 nm. It is manufactured by drawing an optical fiber preform that consists of a core made from silica glass with a hydroxyl-group concentration of less than or equal to 1 ppm, and a cladding made from silica glass with a fluorine concentration of more than or equal to 3.2 wt %.
Career Highlights
Manabu Kudoh is currently employed at Fujikura Limited, a leading company in the field of optical fiber technology. His work has significantly advanced the capabilities of optical fibers, making them more efficient and reliable for various applications.
Collaborations
Throughout his career, Kudoh has collaborated with notable colleagues such as Kazuhiko Aikawa and Kazuyuki Hayashi. These partnerships have fostered innovation and contributed to the development of cutting-edge optical fiber technologies.
Conclusion
Manabu Kudoh's contributions to optical fiber technology have established him as a key figure in the field. His innovative patents and collaborations continue to influence advancements in communication technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.