Company Filing History:
Years Active: 1985-1991
Title: The Innovations of Koshi Suematsu
Introduction
Koshi Suematsu is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electrostatics, particularly in the development of toners and developers for electrophotographic applications. With a total of 7 patents to his name, Suematsu's work has had a considerable impact on the industry.
Latest Patents
Among his latest patents is a positively chargeable electrostatic toner containing organic metal. This triboelectrically chargeable composition is designed for the development of electrostatic latent images. The composition includes a positively chargeable compound and a base material that carries this compound. The positively chargeable compound has an oxidation potential of 750 mV or below, a whiteness W of 0.5 or above, and an average particle size of 5.0 microns or smaller. This toner is particularly suited for the development of digital latent images produced by laser beam scanning.
Another notable patent is the electrophotographic positively chargeable developer containing silica. This innovation involves developing an electrostatic image by using a developer carrying member that holds an insulating developer. The developer contains a nitrogen-containing compound that imparts stable positive chargeability to the developer, enhancing the quality of the electrostatic image.
Career Highlights
Koshi Suematsu is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technologies. His work at Canon has allowed him to focus on advancing the capabilities of electrostatic imaging technologies. His contributions have been instrumental in improving the performance and efficiency of toner and developer products.
Collaborations
Throughout his career, Suematsu has collaborated with notable coworkers such as Eiichi Imai and Masanori Takenouchi. These collaborations have fostered innovation and have led to the successful development of various technologies in the field.
Conclusion
Koshi Suematsu's contributions to the field of electrostatics and imaging technologies are noteworthy. His innovative patents and work at Canon have significantly advanced the industry. His dedication to research and development continues to inspire future innovations in the field.
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