Hirofumi Uchida

Title: Hirofumi Uchida: Innovator in Optical Fiber Coatings

Introduction

Hirofumi Uchida is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of optical fiber technology. With a total of eight patents to his name, Uchida has made remarkable advancements in the development of radiation curable coatings for optical fibers.

Latest Patents

Uchida's latest patents include a radiation curable secondary coating for optical fibers. This innovative composition features a urethane (meth)acrylate and a (meth)acrylate compound with multiple ethylenically unsaturated groups and bisphenol structures. The formulation is designed to provide a secondary coating with a viscosity ranging from about 0.1 Pa·s to about 15 Pa·s at 25°C. The cured films exhibit a Young's modulus between 600 MPa and 500 MPa, with a breaking elongation of 5% to 50%. Additionally, he has developed a liquid curable resin composition that includes an antioxidant, a UV absorber, and a (meth)acrylate oligomer with polyether units, resulting in cured products with excellent light stability, suitable for optical fiber coatings.

Career Highlights

Throughout his career, Uchida has worked with notable companies such as Oki Semiconductor Co., Ltd. and DSM IP Assets B.V. His work has significantly impacted the optical fiber industry, enhancing the performance and durability of fiber coatings.

Collaborations

Uchida has collaborated with esteemed colleagues, including Zen Komiya and Takashi Ukachi, contributing to the advancement of optical fiber technologies through teamwork and shared expertise.

Conclusion

Hirofumi Uchida's innovative work in optical fiber coatings has established him as a key figure in the field. His patents reflect a commitment to enhancing the performance of optical fibers, making significant strides in technology.