Katsuhiko Hirano

Title: Innovations of Katsuhiko Hirano

Introduction

Katsuhiko Hirano is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of underwater vehicle technology and reactor pressure vessel maintenance. With a total of 9 patents to his name, Hirano's work showcases his expertise and innovative spirit.

Latest Patents

Hirano's latest patents include a "System for attitude control of underwater vehicle" and a "Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel." The first patent describes a system that utilizes a thruster and an assist device to control the attitude of an underwater vehicle. This system features a cable handling mechanism and a control unit that determines the amount of cable to be wound up or let out based on the detected distance between cable attachments. The second patent focuses on reducing tensile residual stress on structural members within reactor pressure vessels. It employs a water jet impinging method to improve surface conditions and prevent damage such as stress corrosion cracking.

Career Highlights

Throughout his career, Hirano has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Hirano has collaborated with notable colleagues such as Kunio Enomoto and Eisaku Hayashi. Their teamwork has likely fostered an environment of creativity and innovation, leading to the development of impactful technologies.

Conclusion

Katsuhiko Hirano's contributions to the fields of underwater vehicle technology and reactor maintenance highlight his role as a significant inventor. His patents reflect a commitment to innovation and problem-solving in engineering.