Location History:
- Hitachi, JP (1981)
- Mito, JP (1995 - 2014)
Company Filing History:
Years Active: 1981-2014
Title: The Innovations of Yukio Hirama: A Pioneer in Film Formation Technology
Introduction
Yukio Hirama, an accomplished inventor based in Mito, Japan, has made significant contributions to the field of engineering with a total of 12 patents to his name. His innovative work primarily revolves around the creation of advanced film formation solutions that enhance the performance and longevity of structural components in nuclear plants.
Latest Patents
Hirama's latest patents focus on the development of novel methods for forming protective films on piping systems within boiling water reactor (BWR) plants. One of his key innovations involves connecting both ends of a circulation pipe of a film formation apparatus to the piping of a BWR plant. In this method, a chemical solution containing chromium ions and formic acid is injected into a heated film formation solution, thereby generating a film formation solution at a neutral pH. This solution acts to create a Fe–Cr film on the inner surfaces of the piping, significantly reducing the time required to produce the protective ferrite layer.
Additionally, he has pioneered a suppression method for corrosion in carbon steel members. This involves the injection of a bath with nickel ions and formic acid into a film-forming aqueous solution flowing through the feed water pipe. This solution leads to the formation of a nickel metal film, which is then transformed into a nickel ferrite film upon contact with water containing dissolved oxygen at elevated temperatures. Such innovations not only extend the lifespan of critical components but also improve the safety and efficiency of nuclear facilities.
Career Highlights
Hirama has played a significant role in his field through his tenure at renowned companies like Hitachi, Ltd. and Hitachi-GE Nuclear Energy, Ltd. His expertise in corrosion prevention and film formation technology has been instrumental in advancing the safety and reliability of their engineering solutions.
Collaborations
Throughout his career, Yukio Hirama has collaborated with notable colleagues such as Kenichi Yasuda and Yoshio Takakura. These collaborations have contributed to the further development and successful implementation of innovative technologies in their respective fields.
Conclusion
Yukio Hirama's contributions to the advancement of film formation technologies have significantly impacted the engineering and nuclear energy sectors. With a portfolio of 12 patents, his work stands as a testament to the importance of innovation in enhancing safety and efficiency in critical infrastructure. As he continues to push the boundaries of engineering solutions, his legacy as a leading inventor in this specialized field remains firmly established.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.