Location History:
- Utsunomiya, JP (1986)
- Wakayama, JP (1999 - 2015)
Company Filing History:
Years Active: 1986-2015
Title: The Innovations of Osamu Yamashita
Introduction
Osamu Yamashita is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of electrophotography, holding a total of six patents. His work focuses on developing advanced toners that enhance the quality and efficiency of printing technologies.
Latest Patents
Yamashita's latest patents include innovative formulations for toners used in electrophotography. One of his inventions relates to a toner that incorporates core-shell particles as a resin binder. This toner features a core portion made from an amorphous resin with a softening point of 105°C or lower, derived from polycondensing a carboxylic acid component with an alcohol component. The shell portion consists of an amorphous resin obtained from polycondensing an alcohol component with a trivalent or higher-valent polycarboxylic acid compound. This toner is recognized for its excellent heat-resistant storage properties, low-temperature fusing capabilities, and durability. Another patent involves a resin binder for toners that contains an amorphous polyester with a furan ring, which is suitable for use in various electrostatic recording and printing methods.
Career Highlights
Osamu Yamashita is currently employed at Kao Corporation, where he continues to innovate in the field of toner development. His expertise in materials science and engineering has led to advancements that benefit the printing industry.
Collaborations
Yamashita has collaborated with notable colleagues such as Shigeyoshi Tanaka and Yoshihiro Hasegawa. Their combined efforts have contributed to the success of various projects within Kao Corporation.
Conclusion
Osamu Yamashita's contributions to toner technology have significantly impacted the field of electrophotography. His innovative patents demonstrate a commitment to enhancing printing technologies, making him a valuable figure in 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.