Company Filing History:
Years Active: 1993
Title: Inventor Tetuhiro Semura: Innovations in Electrophotography
Introduction
Tetuhiro Semura is a notable inventor based in Wakayama, Japan, known for his significant contributions to the field of electrophotography. With two patents to his name, Semura has demonstrated a deep commitment to advancing technology in the printing industry.
Latest Patents
Semura's latest patents revolve around breakthrough developer compositions for electrophotography. The first patent outlines a developer composition that combines a binding resin and a colorant. This composition features a nonlinear first polyester and a linear second polyester in a weight ratio ranging from 80:20 to 20:80. This innovation offers exceptional properties such as hot offset resistance, low-temperature fixation, smoothness and transparency of the fixed face, and excellent blocking resistance.
The second patent also focuses on a developer composition for electrophotography, specifying a first linear polyester with a softening point between 105°C and 170°C and a second linear polyester with a softening point between 80°C and 105°C, which is lower than that of the first by at least 10°C. Similar to the first, this patent affirms the composition's superiority in hot offset resistance, low-temperature fixation, smoothness, blocking resistance, and transparency.
Career Highlights
Tetuhiro Semura is affiliated with Kao Corporation, a renowned company recognized for its innovative products and technologies. His work at Kao Corporation highlights his role in developing advanced materials for printing applications.
Collaborations
Throughout his career, Semura has collaborated with esteemed colleagues, including Eizi Morimoto and Kuniyasu Kawabe. These collaborations have contributed to the refinement and success of his innovative developer compositions.
Conclusion
Tetuhiro Semura's inventive spirit and commitment to enhancing electrophotography technology have resulted in valuable patents that address critical needs in the printing industry. His work, in collaboration with Kao Corporation and his colleagues, continues to inspire advancements and innovation in material science and engineering.
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.