Company Filing History:
2 out of 2,630 
1 out of 3 
1 out of 1 Years Active: 1999-2016
Title: Yukio Ishii: Innovator in Optical Fiber Technology
Introduction
Yukio Ishii is a notable inventor based in Tokyo, Japan, recognized for his contributions to optical fiber technology. With a total of 3 patents, Ishii has made significant advancements in the field, particularly in the development of optical fiber ribbons and buffered optical fibers.
Latest Patents
One of Ishii's latest patents is for an optical fiber ribbon that features a collective coating layer made from an ultraviolet curable resin containing amorphous PPG and an amorphous monomer. This innovative coating layer is designed to enhance the performance of coated optical fibers, exhibiting an equilibrium elastic modulus of 12 MPa to 20 MPa and a yield point elongation of 5% to 9%. Additionally, the adhesion between the collective coating layer and the outermost layers of the coated optical fibers ranges from 12 N/cm to 15 N/cm.
Another significant patent by Ishii is for a buffered optical fiber that boasts improved pistoning characteristics compared to conventional options. This buffered optical fiber consists of a primary coating layer, a secondary coating layer, and a tertiary coating layer made from thermoplastic polyester elastomer. The dimensions of these layers are meticulously designed, with the outer diameter of the primary coating layer measuring between 180 to 200 µm and the secondary coating layer between 350 to 450 µm. The product of the thickness of the secondary coating layer and the force required to pull out the glass optical fiber is specified to be 720 N/mm·µm or more.
Career Highlights
Throughout his career, Yukio Ishii has worked with prominent companies such as Furukawa Electric Co., Ltd. and Tanken Seal Seiko Co., Ltd. His experience in these organizations has contributed to his expertise in optical fiber technology and innovation.
Collaborations
Ishii has collaborated with notable colleagues, including Hiroshi Takanami and Mamoru Asuwa, further enhancing his work in the field of optical fibers.
Conclusion
Yukio Ishii's contributions to optical fiber technology through his patents and collaborations highlight his role as an influential inventor in this specialized area. His innovative approaches continue to shape the future of optical fiber applications.
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.