Company Filing History:
5 out of 1,131 
5 out of 6,064 
Years Active: 2008-2018
Title: **Innovator Junichiro Otsubo: Pioneering Electrophotographic Technology**
Introduction
Junichiro Otsubo is a notable inventor based in Osaka, Japan, renowned for his contributions to electrophotographic technology. With a portfolio comprising 10 patents, Otsubo has made significant advancements in the development of photosensitive members and related imaging apparatuses.
Latest Patents
Otsubo’s latest innovations include two hallmark patents: the Single-layer Electrophotographic Photosensitive Member and the Multi-layer Electrophotographic Photosensitive Member. The single-layer patent presents a design featuring a conductive substrate composed of aluminum or an aluminum alloy, with an aluminum oxide film enhancing its durability. The photosensitive layer, which incorporates an electron transport material with a reduction potential between -0.88 V and -0.66 V, demonstrates resilience with a leakage onset voltage of at least 5.0 kV under high temperature and humidity conditions. Conversely, the multi-layer patent introduces a more complex structure, emphasizing a charge generating layer and a charge transport layer designed with specific materials, including silica particles and a polyarylate binder resin.
Career Highlights
Otsubo has contributed to the field by working with respected organizations such as Kyocera Mita Corporation and Kyocera Document Solutions Inc. His tenure at these companies has facilitated a range of innovations that have advanced the technology of imaging solutions.
Collaborations
Throughout his career, Otsubo has collaborated with notable industry colleagues, including Jun Azuma and Keiji Maruo. Their combined expertise has fostered an environment of creativity and innovation, leading to significant advancements in electrophotographic technologies.
Conclusion
Junichiro Otsubo's work exemplifies the spirit of innovation within the field of electrophotography. His contributions through patents and collaborations continue to influence the industry, marking him as a pivotal figure in the development of cutting-edge imaging technology.
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.