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Years Active: 2003-2012
Title: Haruhisa Okumura: Innovator in Display Technology
Introduction
Haruhisa Okumura is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of display technology, particularly through his innovative patents. With a total of 4 patents to his name, Okumura has demonstrated a commitment to advancing electronic display systems.
Latest Patents
One of Okumura's latest patents is a level converter circuit and a liquid crystal display device employing the same. This display device includes a pixel driver circuit, where each level converter circuit has an input terminal supplied with a signal swinging between a first voltage and a second voltage lower than the first voltage. The circuit features a first first-conductivity-type transistor with a gate electrode coupled to the input terminal and a source region connected to a reference voltage. Additionally, a second second-conductivity-type transistor is included, which has a gate electrode coupled to the drain region of the first transistor, a source region connected to a power supply, and a drain region coupled to an output terminal. The design also incorporates a third first-conductivity-type transistor and various circuit elements to enhance functionality.
Career Highlights
Throughout his career, Haruhisa Okumura has worked with prominent companies such as Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the display sector.
Collaborations
Okumura has collaborated with various professionals in his field, including his coworker Yukihide Ode. These partnerships have fostered innovation and the development of advanced technologies.
Conclusion
Haruhisa Okumura's contributions to display technology through his patents and career achievements highlight his role as a significant inventor in the industry. His work continues to influence the evolution of electronic displays, showcasing the importance of innovation in technology.