Company Filing History:
Years Active: 1979-1991
Title: Kazuhisa Yanagisawa: Innovator in Ferroelectric Memory and Electrophotographic Processes
Introduction
Kazuhisa Yanagisawa is a notable inventor based in Mitaka, Japan. He has made significant contributions to the fields of ferroelectric memory and electrophotographic processes. With a total of 3 patents to his name, Yanagisawa continues to push the boundaries of technology.
Latest Patents
One of his latest patents involves a ferroelectric memory that includes a ferroelectric thin film with first and second surfaces. This invention features a first electrode assembly with parallel stripe electrodes on one surface and a second electrode assembly with intersecting stripe electrodes on the opposite surface. The design also incorporates common electrodes and selecting sections for connecting the assemblies, allowing for selective activation of the stripe electrodes.
Another significant patent pertains to an electrophotographic process and a photosensitive screen used for duplicating documents. This process utilizes a photosensitive screen made of an electrically conductive member with fine apertures, surrounded by photoconductive and insulating members. The improved method includes simultaneous imagewise exposure and electrostatic charging, resulting in a primary electrostatic charge latent image with high electrostatic contrast.
Career Highlights
Kazuhisa Yanagisawa is currently associated with Olympus Optical Company, Ltd., where he applies his expertise in developing innovative technologies. His work has been instrumental in advancing the capabilities of optical and electronic devices.
Collaborations
Throughout his career, Yanagisawa has collaborated with esteemed colleagues such as Eiichi Sato and Tatsuo Nagasaki. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.
Conclusion
Kazuhisa Yanagisawa's contributions to ferroelectric memory and electrophotographic processes highlight his innovative spirit and dedication to technology. His work continues to influence the industry and inspire future advancements.
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