Noriaki Iwaguchi

Title: Noriaki Iwaguchi: Innovator in Optical Fiber Technology

Introduction

Noriaki Iwaguchi is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of optical fiber technology. With a remarkable portfolio of 24 patents, Iwaguchi has consistently advanced innovations that impact telecommunications and data transfer capabilities.

Latest Patents

Among Iwaguchi's latest inventions are groundbreaking advancements in optical fibers and cables. One of his notable patents describes an optical fiber ribbon that features a plurality of optical fibers arranged in parallel. This design is enhanced by a connecting resin layer that contains a ribbon resin, enabling optimal coating and connection among the fibers. Each optical fiber in the ribbon has an outer diameter of 220 μm or less, while the ribbon resin includes a cured product of urethane (meth)acrylate, with specific amounts of silicon and tin defined at the surface of the connecting resin layer.

Another innovative patent focuses on the optical fiber itself, comprising a glass fiber core and cladding structure. This design includes a primary resin layer in contact with the glass fiber and a secondary resin layer that covers it. The primary resin layer contains a cured product of a resin composition with urethane (meth)acrylate oligomer. The composition ensures an aromatic acid compound content that meets precise specifications while maintaining a Young's modulus of 0.6 MPa or less at controlled temperatures.

Career Highlights

Noriaki Iwaguchi is associated with Sumitomo Electric Industries, Limited, a company renowned for its cutting-edge advancements in electrical and optical components. His work not only enhances the technological landscape but also underscores the importance of research and innovation in driving industry standards.

Collaborations

Throughout his career, Iwaguchi has collaborated with esteemed colleagues, including Takashi Fujii. This collaboration fosters an environment of shared knowledge and innovation, contributing to the successful development of advanced optical fiber technologies.

Conclusion

In summary, Noriaki Iwaguchi’s inventive prowess in the field of optical fiber technology has led to significant advancements that support modern communication systems. His dedication to innovation and collaboration exemplifies the spirit of invention that is crucial for the continued progress in the technology sector.