Company Filing History:
7 out of 42,508 
1 out of 13 
1 out of 4 Years Active: 1988-2009
Title: Kiyoshi Watanuki: Innovator in Display Technology
Introduction
Kiyoshi Watanuki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of display technology, holding a total of seven patents. His innovative ideas have led to advancements in plasma display apparatus and liquid crystal projectors.
Latest Patents
One of Watanuki's latest patents is for a plasma display apparatus. This invention focuses on a drive circuit for a sustaining discharge circuit of an AC plasma display panel. The design includes an arrangement of current flow parts that reduces inductance. The configuration features a plasma display panel with formed electrodes, an electric conductive conductor for fixing the panel, and circuit boards that are securely attached to the conductor. Additionally, ground terminals and electric power supplies are strategically placed for optimal performance.
Another significant patent is for a liquid crystal projector that incorporates a cooler and an air velocity sensor. This projector consists of a liquid crystal panel, a light source, and a projection lens. It also includes a cooler, such as a suction fan, which directs cooling air onto the panel surface. The air velocity sensor measures the cooling air flow, ensuring the protection of the liquid crystal panel based on the detected air velocity.
Career Highlights
Throughout his career, Kiyoshi Watanuki has worked with prominent companies such as Hitachi, Ltd. and Hitachi Video and Information Systems, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the display industry.
Collaborations
Watanuki has collaborated with notable coworkers, including Kazuyoshi Takizawa and Mitsugi Kojima. Their combined expertise has fostered an environment of innovation and creativity in their projects.
Conclusion
Kiyoshi Watanuki's contributions to display technology through his patents and career achievements highlight his role as a leading inventor in the field. His work continues to influence advancements in display systems, showcasing the importance of innovation in technology.