This inventor holds 8 USPTO granted patents. Top assignees: Hitachi Device Engineering Co., Ltd., Hitachi Displays, Ltd., Hitachi, Ltd.. Active years: 2004-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 217 
3 out of 1,207 
3 out of 42,726 
Years Active: 2004-2015
Title: Innovations of Yoshio Oowaki
Introduction
Yoshio Oowaki is a notable inventor based in Mobara, Japan. He holds a total of 8 patents, showcasing his significant contributions to the field of display technology. His work primarily focuses on enhancing the functionality and quality of display devices.
Latest Patents
One of his latest patents is a display device that includes a display panel and a flexible printed circuit. This circuit connects to a terminal on a glass substrate of the display panel, transmitting image signals. The display panel features a master driver circuit element, a slave driver circuit element, and an inter-driver signal line for communication between these elements. The flexible printed circuit also includes a connection terminal portion and an electromagnetic wave blocking portion, which is strategically arranged to improve performance.
Another significant patent is for a liquid crystal display device designed to enhance image quality and reliability. This device integrates a capacitive touch screen with a liquid crystal display panel using the same flexible wiring substrate. This innovative design protects the terminal from external damage and reduces the number of components needed. Additionally, the capacitive touch screen is installed on the color filter substrate side of the liquid crystal display panel, preventing contrast reduction and ensuring durability against abrasion.
Career Highlights
Yoshio Oowaki has worked with prominent companies such as Hitachi Displays, Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in display technology.
Collaborations
Throughout his career, Oowaki has collaborated with talented individuals, including Shinichi Iwasaki and Masaaki Kitajima. These collaborations have contributed to the advancement of his inventions and the overall progress in the field.
Conclusion
Yoshio Oowaki's contributions to display technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry and improve user experiences with display devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile