This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignee: Toda Kogyo Corporation. Active years: 2016-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2016-2018
Title: Innovations in Electrophotographic Developers by Shigenori Harada
Introduction
Shigenori Harada is a prominent inventor based in Hiroshima-ken, Japan, known for his substantial contributions to the field of electrophotographic development. With three patents to his name, Harada has significantly advanced the technology associated with magnetic carriers used in this process, showcasing his expertise and dedication to innovation.
Latest Patents
Among his latest inventions are noteworthy patents focused on a magnetic carrier for electrophotographic developers and a two-component system developer. The innovation revolves around spherical magnetic composite particles consisting of a phenol resin binder and ferromagnetic iron oxide particles that are interconnected through the resin. This development ensures that the spherical magnetic composite particles have a ten-point mean roughness Rz of 0.3 to 2.0 μm. The result is an exceptionally durable magnetic carrier that resists peeling and abrasion, maintains high stability under mechanical stress, and prevents issues such as spent toner. Furthermore, this invention supports high-quality imaging with excellent gradation without causing fogging or unevenness in toner density over prolonged use.
Career Highlights
Harada's work at Toda Kogyo Corporation has placed him at the forefront of innovation in this specialized area. His dedication to improving the efficacy and sustainability of electrophotographic development has not only benefited the company but also contributed to advancements in industrial applications of imaging technology.
Collaborations
Throughout his career, Shigenori Harada has collaborated with esteemed colleagues such as Eiichi Kurita and Katsuji Iwami. These partnerships have played a crucial role in fostering a collaborative environment focused on inventive research, leading to successful outcomes in their projects.
Conclusion
Shigenori Harada's contributions to the field of electrophotographic development reflect his innovative spirit and commitment to excellence. His patents embody significant advancements that enhance the durability and quality of imaging technologies, marking him as a notable inventor in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile