Location History:
- Tochigi, JP (1990 - 1998)
- Wakayama, JP (2004 - 2024)
Company Filing History:
23 out of 3,600 
3 out of 49 Years Active: 1990-2024
Title: Innovator Ryuma Mizushima: Pioneering Aqueous Gravure Inks in Wakayama, Japan
Introduction
Ryuma Mizushima, based in Wakayama, Japan, is a notable inventor with an impressive portfolio of 23 patents. His work predominantly focuses on advancing the field of aqueous gravure printing inks, contributing innovative solutions that balance environmental sustainability with performance excellence.
Latest Patents
Mizushima's latest patents showcase his dedication to improving ink formulations. One of his significant inventions is an aqueous gravure printing ink that incorporates a carefully designed blend of pigment, water-soluble organic solvent, surfactant, and water. This formulation includes a glycol ether with a boiling point ranging from 100 to 260° C., a specific silicone-based surfactant, and maintains a water content of 50 to 80% by mass. This innovative ink not only supports environmental considerations but also provides improved optical density and drying properties.
Another noteworthy patent from Mizushima details an aqueous gravure ink featuring a pigment, polymer, water-soluble organic solvent, surfactant, and water. Similar to his previous work, the water-soluble organic solvent includes glycol ether, but the total content of this solvent is limited to 15% by mass. The surfactant employed in this patent is an acetylene glycol-based type, ensuring that the ink maintains a water content of 50 to 70% by mass.
Career Highlights
Throughout his career, Mizushima has collaborated with prominent companies such as Kao Corporation and Think Laboratory Co., Ltd. His work with these organizations has been instrumental in the development of eco-friendly and effective printing solutions, solidifying his position as a leader in ink technology.
Collaborations
In the course of his innovative journey, Ryuma Mizushima has partnered with talented colleagues including Yasufumi Ueda and Isao Tsuru. These collaborations have enabled him to push the boundaries of traditional ink formulations and spearhead new projects that emphasize environmental sustainability.
Conclusion
Ryuma Mizushima's contributions to the field of aqueous gravure inks highlight the importance of innovation in addressing environmental concerns while enhancing product performance. His extensive patent portfolio reflects his commitment to excellence and his role as a transformative figure in the printing industry.
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.