Nobuyasu Harashima

Title: Nobuyasu Harashima: Innovator in Fluid Control and Vehicle Brake Technology

Introduction

Nobuyasu Harashima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of fluid control and vehicle brake technology. With a total of 2 patents, his innovations reflect a deep understanding of engineering principles and materials science.

Latest Patents

One of Harashima's latest patents is a check valve structure. This innovative design includes a valve casing that communicates with both inflow and outflow paths for a fluid. The valve element, made from an elastic material, features a thin portion and a thick portion that protrudes from the center of one surface of the thin portion. The valve casing is designed with a support portion that can support the outer edge of the thick portion's bottom, as well as a valve seat portion that contacts the thin portion.

Another significant patent is the diaphragm for vehicle brakes. This vehicle brake-specific diaphragm consists of a vessel-form member and a flange portion at the opening's peripheral edge. Both components are made from a rubber body that includes silicone rubber and a substrate fabric embedded within it. The substrate fabric is composed of aramid short fibers or polyester fibers, providing enhanced durability in high, normal, and low-temperature conditions.

Career Highlights

Throughout his career, Nobuyasu Harashima has worked with prominent companies such as Fujikura Composites, Inc. and Fujikura Rubber Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Due to space constraints, the details of collaborations will not be included.

Conclusion

Nobuyasu Harashima's contributions to fluid control and vehicle brake technology demonstrate his expertise and innovative spirit. His patents reflect a commitment to improving functionality and durability in engineering applications.