Location History:
- Kanagawa, JP (2004 - 2005)
- Kawasaki, JP (2003 - 2014)
Company Filing History:
6 out of 90,594 
1 out of 5,668 
Years Active: 2003-2014
Title: Hirohito Yamaguchi: Innovator in Organic Electroluminescence and Milling Technology
Introduction
Hirohito Yamaguchi is a prominent inventor based in Kanagawa, Japan. He holds a total of six patents, showcasing his contributions to the fields of organic electroluminescence and milling technology. His innovative work has significantly impacted the development of display devices and milling apparatuses.
Latest Patents
One of Yamaguchi's latest patents is for an organic electroluminescence display device that features an upper electrode made of a thin silver film. This device includes a display region with multiple pixels and a power source part located outside the display region. Each pixel consists of a lower electrode, a light-emitting layer, and an upper electrode that extends to the power source for electrical connection. The thin silver film is strategically placed between the display region and the power source, enhancing the device's performance.
Another notable patent is for a milling apparatus designed to prevent temperature rise during milling treatment, particularly of the substrate. This apparatus incorporates an ionization mechanism with a casing that has an opening facing the substrate. A filament is positioned to optimize the ionization process, while electromagnets generate a magnetic field to facilitate the milling operation.
Career Highlights
Throughout his career, Hirohito Yamaguchi has worked with notable companies, including Canon and Japan Display Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in his field.
Collaborations
Yamaguchi has collaborated with esteemed colleagues such as Masahiro Kanai and Atsushi Koike. Their joint efforts have further advanced the innovations in which Yamaguchi specializes.
Conclusion
Hirohito Yamaguchi's contributions to organic electroluminescence and milling technology highlight his role as a significant inventor in Japan. His patents reflect a commitment to innovation and excellence in 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.