This inventor holds 39 USPTO granted patents and 17 published patent applications and 5 EPO patents, primarily in Electrophotographic Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2014-2025.
Location History:
- Mishima, JP (2014 - 2017)
- Yokohama, JP (2016 - 2022)
- Kanagawa, JP (2021 - 2024)
Company Filing History:
Years Active: 2014-2025
Areas of Expertise:
Title: Innovations of Kaname Watariguchi in Electrophotographic Technology
Introduction
Kaname Watariguchi, based in Yokohama, Japan, is a prominent inventor who has contributed significantly to the field of electrophotographic technology. With a remarkable total of 32 patents to his name, Watariguchi has been instrumental in developing innovations that enhance image forming apparatuses and photosensitive members.
Latest Patents
Among Watariguchi's latest patents are advancements in electrophotographic photosensitive members, process cartridges, and electrophotographic image forming apparatuses. One notable invention focuses on an electrophotographic photosensitive member designed to suppress fogging and exhibit superior abrasion resistance. The outermost surface layer of this member includes a polymerized product from a composition featuring polyrotaxane and a monomer with a polymerizable reactive group. Another significant aspect of this innovation is that it incorporates a chain molecule of polyrotaxane with two blocking groups at both terminals, forming a bond through its (meth)acryloyloxy group. Additionally, his work includes electrophotographic photosensitive members with a surface layer comprising a polymerization product of polyrotaxane and a charge transporting substance, also demonstrating an innovative bond formation between these components.
Career Highlights
Watariguchi's career has been marked by his dedication to advancing imaging technologies. As an integral part of Canon Kabushiki Kaisha, he has applied his expertise to develop products that aim to improve the efficiency and effectiveness of electrophotography. His contributions are not only valuable to his company but also impact the broader field of imaging technology.
Collaborations
Throughout his career, Watariguchi has collaborated with esteemed colleagues such as Masataka Kawahara and Takeshi Murakami. Their combined expertise has fostered a creative environment that encourages shared innovation and the continuous evolution of electrophotographic technologies.
Conclusion
Kaname Watariguchi's extensive portfolio of patents and his ongoing commitment to innovation signify his important role in the evolution of electrophotographic technology. His inventions serve as key contributions that enhance the functionality and performance of imaging devices, thereby leaving a lasting impact on the industry.