This inventor holds 11 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Fujifilm Business Innovation Corp., Nec Platforms, Ltd., Sumitomo Heavy Industries, Ltd.. Active years: 1994-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shizuoka, JP (2016)
- Kawasaki, JP (2022)
- Kanagawa, JP (1994 - 2024)
Company Filing History:



Years Active: 1994-2026
Title: Takuya Yamamoto: Innovator in Charging Devices and Image Forming Apparatuses
Introduction
Takuya Yamamoto is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of charging devices and image forming technologies. With a total of 11 patents to his name, Yamamoto's work has had a considerable impact on the industry.
Latest Patents
Yamamoto's latest patents include innovative designs for charging devices, cartridges, and image forming apparatuses. One notable patent describes a charging device that features a charging member rotating in contact with a charged body, effectively charging it. This device also includes a cleaning member that rotates in conjunction with the charging member. The cleaning member is designed with a foam elastic layer, which has a band-shaped foam elastic member spirally disposed within it. The diameter of the tip end portion of the cell skeleton protruding to the surface of the foam elastic layer is 50 μm or less, and the peripheral speed ratio of the cleaning member to the charging member is between 0.3 and 0.7.
Another patent focuses on the charging member itself, which consists of an electrically conductive base, an elastic layer, and a surface layer. The surface layer's PFVTF value is 1.5 or less, determined through a complex process involving Fourier transformation of the roughness curve of the surface.
Career Highlights
Throughout his career, Takuya Yamamoto has worked with notable companies such as Fujifilm Business Innovation Corporation and NEC Platforms, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in his field.
Collaborations
Yamamoto has collaborated with talented individuals, including Yuki Tagawa and Yasuhiko Kinuta. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Takuya Yamamoto is a distinguished inventor whose work in charging devices and image forming apparatuses has led to numerous patents and advancements in technology. His contributions continue to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile