Location History:
- Hino, JP (1979)
- Kokubunji, JP (1980)
Company Filing History:
Years Active: 1979-1980
Title: Innovations by Katsutoshi Tozawa
Introduction
Katsutoshi Tozawa is a notable inventor based in Hino, Japan. He has made significant contributions to the field of electrostatic imaging technology. With a total of 2 patents, Tozawa's work focuses on developing advanced magnetic toners and developers for copying machines.
Latest Patents
Tozawa's latest patents include a magnetic toner designed for developing latent electrostatic images. This toner comprises magnetic particles, thermoplastic resins, and electric charge controlling dyestuffs as its main components. The innovative design ensures that the toner forms no fringe or ghost images while maintaining excellent duplicability of halftone images. The manufacturing process involves coating the magnetic particles with electric charge controlling dyestuffs before mixing them with the resin.
Another significant patent is for a developer for latent electrostatic images and its preparation process. This invention addresses improvements in the use of a conductive one-component latent electrostatic image developer for copying machines utilizing a corona discharger. The particles are prepared by uniformly mixing a magnetic substance in resin, ensuring that the magnetic substance is substantially exposed on the particle surface through heat treatment. The resulting particles are electrically insulating and acquire the necessary electric charge through friction, allowing for effective development even in machines using corona dischargers.
Career Highlights
Katsutoshi Tozawa is associated with Konishiroku Photo Industry Co., Ltd., where he has contributed to the advancement of imaging technologies. His work has been instrumental in enhancing the performance and quality of electrostatic imaging systems.
Collaborations
Tozawa has collaborated with notable coworkers, including Shotaro Watanabe and Shigeru Uetake. Their combined expertise has fostered innovation in the field of electrostatic imaging.
Conclusion
Katsutoshi Tozawa's contributions to the development of magnetic toners and developers have significantly impacted the electrostatic imaging industry. His innovative patents reflect a commitment to enhancing image quality and performance in copying technologies.