This inventor holds 63 USPTO granted patents and 3 EPO patents, primarily in Active Matrix Substrate (CPC class H01L). Top assignees: Sharp Kabushiki Kaisha Corporation, Kyocera Mita Corporation. Active years: 2003-2026.
Inventors with similar research interests:
Location History:
- Mie, JP (2009)
- Kadoma, JP (2004 - 2010)
- Tsu, JP (2012)
- Osaka, JP (2003 - 2016)
- Sakai, JP (2018 - 2024)
Company Filing History:
55 out of 25,924Â 
8 out of 1,131Â 
Years Active: 2003-2026
Areas of Expertise:
Title: The Innovative Contributions of Hideki Kitagawa
Introduction
Hideki Kitagawa is a prominent inventor based in Sakai, Japan, known for his extensive work in the field of display technology. With a remarkable total of 62 patents to his name, Kitagawa has significantly contributed to the advancement of active matrix substrates and display devices, showcasing his expertise and innovative approach in the industry.
Latest Patents
Among his latest innovations, Hideki Kitagawa has developed a unique active matrix substrate design. This substrate consists of multiple gate bus lines and source bus lines positioned closer to the substrate side. It features a lower insulating layer, an interlayer insulating layer, and a series of oxide semiconductor TFTs associated with pixel regions. Each pixel region contains a pixel electrode and source contact portions that link the oxide semiconductor TFTs to the respective source bus lines. This intricate design allows for enhanced functionality and efficiency in display technology.
Furthermore, Kitagawa has introduced a method of manufacturing display devices aimed at reducing production costs by minimizing the number of necessary masks. This method includes several steps such as forming electrodes, applying insulating films, and collectively creating contact holes to connect conductive layers to the exposed parts of the electrodes. This innovative manufacturing process opens new avenues for cost-effective display technology production.
Career Highlights
Hideki Kitagawa has had an impressive career, with significant tenures at well-respected companies including Sharp Corporation and Kyocera Mita Corporation. His experience in these leading firms has facilitated his growth as an inventor and has allowed him to pioneer various technological advancements.
Collaborations
Throughout his career, Kitagawa has collaborated with notable colleagues such as Hajime Imai and Tetsuo Kikuchi. These partnerships have fostered a conducive environment for innovation and enhanced the development of groundbreaking technologies in the display field.
Conclusion
Hideki Kitagawa stands out as a leading inventor with a substantial portfolio of patents in display technology. His latest inventions, coupled with his notable career and collaborations, underscore his dedication to innovation and advancement within the industry. As technology continues to evolve, the contributions of inventors like Kitagawa are vital in driving progress and enhancing user experiences in display devices.