Location History:
- Shizudka, JP (2000)
- Numazu, JP (1997 - 2004)
Company Filing History:
Years Active: 1997-2004
Title: Innovator Hiroshi Yamasita: Pioneering Developments in Toner Technology
Introduction
Hiroshi Yamasita, a distinguished inventor based in Numazu, Japan, has made significant contributions to the field of imaging technology. With three patents to his name, Yamasita has been at the forefront of developing innovations that enhance print quality and efficiency in the realm of electrostatic imaging.
Latest Patents
Among his latest inventions is a dry toner designed for developing electrostatic images. This innovative toner binder comprises a urea-modified polyester, featuring a volume average particle diameter (Dv) ranging from 3 to 10 micrometers, and a number average particle diameter (Dp) that ensures the ratio Dv/Dp falls between 1.05 and 1.25. This specific design aims to optimize the performance of electrostatic imaging processes.
Another noteworthy patent addresses methods and systems for cleaning residual toner from image-forming surfaces. This invention introduces the application of aspherical toner to a cleaning blade, which helps remove ultra-fine spherical toner effectively. The larger aspherical toner particles are strategically placed outside the desired image area, ensuring that they effectively seal the cleaning blade against the image-forming surface. This design allows for superior maintenance of the imaging quality as it enhances the removal of residual particles.
Career Highlights
Hiroshi Yamasita is currently associated with Ricoh Company, Ltd., where he continues to explore and develop innovative technologies that streamline printing processes. His work at Ricoh emphasizes the importance of advanced materials and their application in improving user experience in imaging technologies.
Collaborations
Yamasita collaborates with esteemed colleagues, including Takeyoshi Sekine and Hiroyuki Fushimi. These partnerships highlight the importance of teamwork in fostering innovation within the tech industry, ultimately leading to the development of cutting-edge solutions in toner technologies.
Conclusion
Hiroshi Yamasita’s contributions to the field of imaging technology showcase his dedication to innovation and quality enhancement. With his inventive spirit and collaborative efforts, he continues to push the boundaries of what is possible in toner technology, leaving a lasting impact on the 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.