This inventor holds 3 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1992-2002.
Location History:
- Kawasaki, JP (1992 - 1999)
- Numazu, JP (2002)
Company Filing History:
Years Active: 1992-2002
Title: Yuji Ishihara: Innovator in Electrophotographic Technology
Introduction
Yuji Ishihara is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and functionality of electrophotographic apparatuses.
Latest Patents
Ishihara's latest patents include innovative designs for process cartridges and charging apparatuses. One of his patents describes a process cartridge that integrates an electrophotographic photosensitive member and a conducting member. This design allows for a detachable unit that can be easily mounted to the main body of an electrophotographic apparatus. The electrophotographic photosensitive member features a support structure with a charge generation layer and a charge transport layer, ensuring optimal performance. The charge transport layer is specifically designed with a thickness ranging from 12 µm to 40 µm, while the conducting member includes a conductive support and a covering layer. Notably, the time constant of electric current for the conducting member is 0.1 seconds or shorter.
Another patent focuses on a charging apparatus that utilizes magnetic particles to charge the electrophotographic photosensitive member. Each magnetic particle is engineered with a surface layer containing a polyolefin resin, which enhances its performance. This innovative approach allows for improved charging efficiency, with a volume resistivity ranging from 1×10^4 to 1×10^11 Ω.cm.
Career Highlights
Yuji Ishihara is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to develop cutting-edge technologies that have a significant impact on the industry.
Collaborations
Throughout his career, Ishihara has collaborated with esteemed colleagues such as Tetsuya Kuribayashi and Hiroshi Inoue. These collaborations have fostered a creative environment that has led to numerous advancements in electrophotographic technology.
Conclusion
In summary, Yuji Ishihara is a prominent inventor whose work in electrophotographic technology has resulted in several important patents. His innovative designs and collaborations continue to influence the field, showcasing his commitment to advancing technology.