Location History:
- Tokyo, JP (2012 - 2017)
- Hino, JP (2016 - 2018)
- Shinjuku-ku, JP (2015 - 2023)
Company Filing History:
9 out of 73 
5 out of 2,528 
2 out of 160 
Years Active: 2012-2023
Introduction
Katsushi Hamakubo is an accomplished inventor based in Tokyo, Japan, known for his significant contributions to the fields of coating compositions and magnetic disk technology. With 16 patents to his name, he has demonstrated a remarkable ability to innovate and improve existing technologies that impact various industries.
Latest Patents
Among his latest patents, Hamakubo has developed a unique coating composition capable of forming an acrylic hard coat film. This innovative formulation contains an acrylate component and a metal oxide, with a specific mass ratio allowing for enhanced performance. His patent details conditions regarding the content ratios of the components involved, showcasing his meticulous approach to engineering effective solutions.
Additionally, he has patented a new type of magnetic disk, characterized by layers including a magnetic layer, a carbon protective layer, and a lubrication layer. The lubrication layer is particularly noteworthy, utilizing a lubricant with a perfluoropolyether compound, enhancing the durability and efficiency of the magnetic disk. This invention represents a significant advancement in data storage technology.
Career Highlights
Katsushi Hamakubo has held positions at several prominent companies, contributing his expertise in the development of innovative technologies. Notably, he worked at Wd Media (Singapore) Pte. Ltd. and Hoya Corporation, where his work helped advance the field of optical and electronic storage solutions.
Collaborations
Throughout his career, Hamakubo has collaborated with talented individuals such as Koichi Shimokawa and Kae Itoh. These partnerships have enabled him to integrate diverse perspectives and expertise into his innovative projects, leading to the successful patent applications that define his career.
Conclusion
Katsushi Hamakubo's work as an inventor underscores his commitment to innovation in the fields of coating technology and magnetic disk manufacturing. With 16 patents that reflect his ingenuity and technical skill, he continues to make impactful contributions to the industry, paving the way for future advancements in technology.
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.