Location History:
- Hitachi, JP (2014 - 2020)
- Tokyo, JP (2018 - 2021)
Company Filing History:
13 out of 1,641 
1 out of 139 
Years Active: 2014-2021
Title: Toshiaki Akutsu: Innovator in Polishing Technologies
Introduction
Toshiaki Akutsu, based in Hitachi, Japan, is a notable inventor who has significantly contributed to the field of polishing technologies. With a total of 14 patents to his name, Akutsu has demonstrated a deep commitment to innovation in materials and methods that enhance the efficiency and effectiveness of polishing processes.
Latest Patents
Among Toshiaki Akutsu's latest patents are several groundbreaking innovations in polishing liquids and methods. One such patent details a polishing liquid that consists of a liquid medium, abrasive grain, and a polymer. The polymer features a first molecular chain directly bonded to a functional group, alongside a second molecular chain that branches from it. The functional groups involved include carboxyl, hydroxyl, sulfo, and sulfonic acid salt groups, which contribute to the unique properties of the polishing liquid.
Additionally, another significant invention is a polishing agent that comprises a fluid medium and an abrasive grain containing a hydroxide of a tetravalent metal element. This patent also includes a composition of multiple additives, such as compounds with a polyoxyalkylene chain and vinyl alcohol polymers, cationic polymers, and amino group-containing sulfonic acid compounds. These advancements highlight Akutsu's inventiveness in creating practical solutions for substrate polishing.
Career Highlights
Toshiaki Akutsu's professional history includes impactful roles at prominent companies. He has contributed his expertise at Hitachi Chemical Company, Ltd. and Showa Denko Materials Co., Ltd., where he has played an essential role in the development of new materials and technologies. His work in these organizations has been fundamental to his innovations in polishing methods.
Collaborations
Throughout his career, Akutsu has collaborated with talented colleagues, including Hisataka Minami and Tomohiro Iwano. Their collective efforts have been pivotal in pushing the boundaries of polishing technology and advancing the industry through their innovations.
Conclusion
With 14 patents to his credit, Toshiaki Akutsu stands as a significant figure in the world of polishing technologies. His innovative contributions continue to influence both materials science and the methods used in various applications, showcasing the importance of collaboration and ingenuity in driving technological advancements.