Shoji Tanigawa

Title: Innovations and Patents of Shoji Tanigawa

Introduction

Shoji Tanigawa, an accomplished inventor based in Sakura, Japan, holds an impressive portfolio of 25 patents. His innovative work primarily focuses on optical fiber technology, contributing significantly to the field with advanced methods and devices that enhance optical communications.

Latest Patents

Tanigawa's latest patents include an optical fiber measurement device and a method for bending optical fiber. This optical fiber measurement device comprises a light source, a light detector, a direction-changing member, and a tension-applying member. The light source emits a beam toward the optical fiber, while the detector receives the light that has propagated through it. The optical fiber is suspended from the direction-changing member, which alters its extending direction to hang downwards. The tension-applying member ensures that tension is applied to the optical fiber, enhancing measurement accuracy. Furthermore, his measuring method for longitudinal distribution of bending loss involves calculating the arithmetical mean value from two backscattering light intensities, ultimately helping in the understanding of bending loss characteristics along the fiber.

Career Highlights

Throughout his career, Tanigawa has demonstrated a commitment to advancing optical technology while working with notable companies such as Fujikura Limited and Nippon Telegraph and Telephone Corporation. His inventive spirit and expertise have allowed him to contribute to multiple transformative projects in the realm of communication technology.

Collaborations

In his professional journey, Tanigawa has collaborated with esteemed coworkers such as Shoichiro Matsuo and Katsuhiro Takenaga. These collaborations have fostered a dynamic exchange of ideas and have played a pivotal role in the successful development of numerous innovations in optical fiber technology.

Conclusion

Shoji Tanigawa remains a prominent figure in the world of inventions and patents, particularly in optical fiber measurement technology. His work not only aids in the advancement of telecommunications but also sets the groundwork for future innovations in the field. With a rich history of collaboration and a strong portfolio of patents, Tanigawa continues to influence the landscape of optical technology significantly.