Company Filing History:
2 out of 49 
2 out of 1,008 Years Active: 1979-1986
Title: The Innovations of Hiroshi Hasui: A Pioneer from Tokyo
Introduction
Hiroshi Hasui, an innovative inventor based in Tokyo, Japan, has made significant contributions to the fields of engineering and materials science. With a noteworthy portfolio consisting of four patents, Hasui's inventive spirit continues to drive advancements in technology.
Latest Patents
Among his latest inventions, he has developed a unique cap for fuel tanks. This cap incorporates a body designed to screw into the fuel tank's filler neck and features an 'O' ring for sealing. The cap also includes a lid member that can easily engage with the cap body, ensuring it remains securely in place until external forces—such as those encountered during a collision—require it to break away. This innovative coacting structure utilizes engaging recesses and projections, providing both safety and functionality.
Another of Hasui's notable inventions is the tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyloxymethyl]methane, a compound distinguished by its novel crystal structure. Its unique X-ray diffraction pattern is characterized by a sharp peak at a diffraction angle of 2θ = 10.90 degrees. This compound is synthesized through a series of intricate chemical reactions, showcasing Hasui's expertise in patentable chemical processes.
Career Highlights
Hiroshi Hasui has had an impressive career, having worked with leading companies such as Nihon Radiator Co., Ltd. and Mitsui Petrochemical Industries, Ltd. His roles within these firms have allowed him to apply his inventive capabilities to practical challenges, resulting in unique solutions that benefit consumers and industries alike.
Collaborations
Throughout his career, Hasui has collaborated with talented individuals, including Eizo Suyama and Toshikazu Furihata. These collaborations have fostered a nurturing environment for innovation, leading to several advancements reflected in their collective work.
Conclusion
Hiroshi Hasui stands as a testament to the endless possibilities within the realm of invention. His patents not only highlight his creativity but also underscore his commitment to solving real-world problems through engineering and innovation. As he continues to develop new ideas, the impact of his work will likely resonate across industries, inspiring future inventors and innovators.