Company Filing History:
1 out of 36,713 
1 out of 218 Years Active: 2014
Title: Masashi Hamakubo: Innovator in High-Pressure Hydrogen Container Technology
Introduction
Masashi Hamakubo is a notable inventor based in Arida, Japan. He has made significant contributions to the field of high-pressure hydrogen technology, particularly in the development of sealing materials for hydrogen containers. His innovative work is crucial for the advancement of fuel cell vehicles.
Latest Patents
Hamakubo holds a patent for a sealing material designed for high-pressure hydrogen containers. This invention primarily comprises a silicone rubber that includes a dimethyl siloxane segment, a methyl vinyl siloxane segment, and a diphenyl siloxane segment. The sealing material is specifically engineered to ensure durability in variable pressure environments and to maintain sag resistance across a range of temperatures. This technology is essential for sealing compressed hydrogen gas tanks used in fuel cell vehicles.
Career Highlights
Throughout his career, Masashi Hamakubo has worked with prominent companies such as Toyota Motor Corporation and Mitsubishi Cable Industries, Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and engineering, particularly in applications related to hydrogen storage.
Collaborations
Hamakubo has collaborated with notable colleagues, including Itsuo Kamiya and Rentaro Mori. These partnerships have contributed to the development of innovative solutions in the field of hydrogen technology.
Conclusion
Masashi Hamakubo's contributions to high-pressure hydrogen container technology highlight his role as an influential inventor. His patented sealing material represents a significant advancement in the safety and efficiency of fuel cell vehicles.