Location History:
- Kanagawa, JP (2019 - 2021)
- Tokyo, JP (2023)
- Yokohama, JP (2020 - 2024)
Company Filing History:
5 out of 260 
2 out of 107 
Years Active: 2019-2024
Title: The Innovative Contributions of Munemitsu Hirotsu
Introduction: Munemitsu Hirotsu is a distinguished inventor based in Kanagawa, Japan, known for his significant contributions to the field of materials science. With five patents to his name, Hirotsu has made notable advancements, particularly in the development of surface-treated steel sheets. His innovative work focuses on enhancing the properties of metals for industrial applications.
Latest Patents: Among his latest patents, Hirotsu has developed a surface-treated steel sheet that features a combination of a tin-plated steel base, a phosphate compound layer containing tin phosphate, and an aluminum-oxygen compound layer. This innovative creation ensures improved durability and corrosion resistance of the steel sheet. In this patent, he specifies that when conducting X-ray photoelectron spectroscopy on the aluminum-oxygen compound layer, the ratio of the integration value of the profile derived from tin oxide to that of tin phosphate should be 6.9 or more. This particular invention demonstrates Hirotsu’s attention to detail and commitment to enhancing industrial materials.
Career Highlights: Hirotsu has garnered extensive experience through his tenure at renowned companies, including Toyo Kohan Co., Ltd. and Toyo Seikan Co., Ltd. His roles in these organizations have allowed him to significantly influence product development and innovation in the metal and packaging industries.
Collaborations: Throughout his career, Hirotsu has collaborated with notable colleagues, including Kunihiro Yoshimura and Wataru Kurokawa. These partnerships have fostered an environment of innovative thinking and have contributed to the successful realization of several patents and projects.
Conclusion: Munemitsu Hirotsu exemplifies the impact that dedicated inventors can have on technological advancements. His patents reflect a deep understanding of material science and a continuous drive for innovation. Through his work, he has not only advanced industrial applications but also paved the way for future developments in the field of surface-treated materials.