This inventor holds 5 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd., Hitachi Displays, Ltd.. Active years: 1998-2008.
Company Filing History:
3 out of 42,719 
2 out of 217 
2 out of 1,207 Years Active: 1998-2008
Title: Yoichi Igarashi: Innovator in Display Technology
Introduction
Yoichi Igarashi is a prominent inventor based in Mobara, Japan. He has made significant contributions to the field of display technology, holding a total of 5 patents. His work focuses on improving the functionality and efficiency of display devices.
Latest Patents
Igarashi's latest patents include an inspecting method and inspecting device for control signals in display devices. This innovation inspects various control signals, such as horizontal and vertical synchronizing signals, and display timing signals supplied from an external source. The control signal inspecting circuit converts these signals into color display signals, allowing for simple visual inspection of their states on the display screen. Another notable patent involves a display device and its driving method, which enhances the processing of input display data through a frame memory system. This method allows for effective comparison of video data, ensuring optimal display quality.
Career Highlights
Throughout his career, Igarashi has worked with notable companies such as Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in display technology and innovation.
Collaborations
Igarashi has collaborated with several professionals in his field, including Shiro Ueda and Shunichi Kumaoka. These collaborations have further enriched his work and contributions to display technology.
Conclusion
Yoichi Igarashi's innovative work in display technology has led to significant advancements in the field. His patents reflect a deep understanding of control signals and display methods, showcasing his commitment to enhancing visual technology.