Kiyoshi Yanase

Title: Kiyoshi Yanase: Innovator in Active Matrix Technologies

Introduction: Kiyoshi Yanase, an inventive mind based in Kawasaki, Japan, has made significant strides in the field of display technology. With two patents to his name, his contributions focus on the production methods and functional attributes of liquid-crystal display devices. His work exemplifies innovation and dedication within the tech industry.

Latest Patents: Yanase holds two notable patents that highlight his technical acumen. The first, titled "Method of Producing Active Matrix Substrate," describes a process for creating an active matrix substrate with multiple contact holes formed through a one-mask system. This method allows for the access of metal films at various depths within an insulating layer, utilizing dry etching with a specialized gas mix of CHF, CF, and O2. Enhanced by an oxygen ashing step and the formation of a transparent conductive film, this patent addresses critical challenges in substrate manufacturing.

The second patent, "Semi-Transmissive Type Liquid-Crystal Display Device and Method of Fabricating the Same," centers around the advancement of liquid-crystal display devices. This innovation effectively mitigates transmission electrode corrosion through a structured design, where reflection electrodes are strategically placed and insulated to prevent damage during the display's operational life.

Career Highlights: Kiyoshi Yanase is affiliated with NEC LCD Technologies Ltd., a company renowned for its advancements in display technologies. His career reflects a strong commitment to research and development, particularly in improving the reliability and efficiency of display devices.

Collaborations: Yanase has collaborated with esteemed colleagues such as Hideto Motoshima and Yasushi Umihira, pooling their expertise in electronics and materials to drive innovation in their projects. This teamwork highlights the importance of collaborative efforts in achieving groundbreaking advancements in technology.

Conclusion: Kiyoshi Yanase’s contributions to the tech industry through his innovative patents play a pivotal role in the evolution of liquid-crystal display technologies. His dedication to refining production techniques and enhancing device performance underscores the impact of inventive minds on modern technology. With ongoing developments, Yanase's work continues to inspire the realm of display innovation.