Location History:
- Yutenji, Meguro-Ku, Tokyo, JP (1986)
- Meguro-ku, Tokyo, JP (1985 - 1990)
- Tokyo, JP (1984 - 1994)
- Chofu-shi, Tokyo, JP (2000)
Company Filing History:
3 out of 3,542 
2 out of 2 
2 out of 1,297 
Years Active: 1984-2000
Title: Innovations of Hidefumi Hirai
Introduction
Hidefumi Hirai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of methods for preparing non-aqueous dispersions and introducing functional groups to aromatic compounds. With a total of 16 patents to his name, Hirai's work has had a considerable impact on various industrial applications.
Latest Patents
Hirai's latest patents include a method for preparing a non-aqueous dispersion of particles of a metal. This innovative method involves contacting an aqueous dispersion of metal particles with a water-immiscible, non-aqueous liquid in the presence of a surfactant. The process allows for the migration of particles from the aqueous dispersion into the non-aqueous liquid, enhancing the efficiency of metal dispersions. Another notable patent is a process for introducing a carboxyl group to an aromatic carboxylic acid. This process enables the selective introduction of carboxyl groups to various aromatic compounds, facilitating the production of desired polycarboxylic acids with high selectivity.
Career Highlights
Throughout his career, Hidefumi Hirai has worked with notable companies, including Nippon Steel Corporation. His expertise in materials science and chemistry has led to advancements in the production and application of various chemical compounds. His innovative approaches have garnered recognition within the industry.
Collaborations
Hirai has collaborated with esteemed colleagues such as Makoto Komiyama and Susumu Hara. These collaborations have contributed to the development of new technologies and methodologies in the field of materials science.
Conclusion
Hidefumi Hirai's contributions to innovation and invention in materials science are noteworthy. His patents reflect a commitment to advancing technology and improving industrial processes. His work continues to influence the field and inspire future innovations.
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.