This inventor holds 28 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 9 EPO patents, primarily in Infrared Absorbing Materials. Top assignees: Sumitomo Metal Mining Company, Ltd., Sumitomo Metal Mining., Ltd., Yamagata University. Active years: 2019-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Isa, JP (2019 - 2024)
- Kagoshima, JP (2024)
Company Filing History:
23 out of 898 
5 out of 30 
1 out of 60 
Years Active: 2019-2026
Areas of Expertise:
Title: Innovations and Contributions of Hirofumi Tsunematsu
Introduction: Hirofumi Tsunematsu is an accomplished inventor based in Isa, Japan. With a remarkable portfolio of 21 patents, he has made significant strides in the field of infrared technology. His inventions focus on enhancing the efficiency and application of infrared absorbing materials, which play a crucial role in various industries.
Latest Patents: Tsunematsu's recent innovations include a surface-treated infrared absorbing fine particle dispersion liquid and an infrared absorbing transparent substrate. This unique dispersion liquid consists of surface-treated infrared absorbing fine particles dispersed in a liquid medium, designed to enhance infrared absorption capabilities. Additionally, he has developed a method for producing organic-inorganic hybrid infrared absorbing particles. This method involves multiple steps, including preparing a dispersion liquid, removing the dispersion medium, and polymerizing a coating resin material, resulting in advanced infrared absorbing compositions.
Career Highlights: Tsunematsu has built a notable career with key contributions in various industries. His experience includes working at the Sumitomo Metal Mining Company, Ltd., where he contributed to advancements in metal resource technologies, and at the National University Corporation Yamagata University, where he engaged in academic research and development.
Collaborations: Throughout his career, Hirofumi Tsunematsu has collaborated with several talented professionals, including Takeshi Chonan and Hiroki Nakayama. These collaborations have fueled innovation and research in the field of infrared absorbing technologies.
Conclusion: Hirofumi Tsunematsu's contributions to the field of infrared technology through his inventions and collaborations highlight his importance as an inventor. With a strong foundation of patents and collaboration with esteemed companies, he continues to pioneer advancements that could significantly impact various applications within the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile