Noribumi Shiina

Title: Noribumi Shiina: Innovator in Optical Fiber Technology

Introduction

Noribumi Shiina is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 6 patents. His innovative work has advanced the capabilities and applications of optical fibers in various industries.

Latest Patents

One of Shiina's latest patents is for a multicore fiber. This multicore fiber includes cores located at the vertexes of a polygonal ring, along with a cladding that features sub medium regions covering the cores. The refractive index of the cladding is lower than that of the cores and higher than that of the sub medium regions. The arrangement of the sub medium regions is designed to reduce crosstalk between adjacent cores. Another notable patent involves an optical fiber end processing method and apparatus. This method includes fixing two portions of an optical fiber, heating and fusing the fiber between these fixed portions, and forming a continuous heat fusion region while ensuring the air holes of the optical fiber disappear.

Career Highlights

Noribumi Shiina has worked with reputable companies such as Hitachi Cable, Inc. and Hitachi Metals, Ltd. His experience in these organizations has allowed him to develop and refine his expertise in optical fiber technology.

Collaborations

Throughout his career, Shiina has collaborated with notable coworkers, including Kazumasa Ohsono and Kanako Suzuki. These collaborations have contributed to the advancement of his innovative projects and patents.

Conclusion

Noribumi Shiina's contributions to optical fiber technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in optical fiber design and processing. His work continues to influence the field and inspire future advancements.