Location History:
- Minato-ku, JP (2020)
- Tokyo, JP (1993 - 2022)
Company Filing History:
7 out of 5,675 
1 out of 5 
1 out of 273 
Years Active: 1993-2022
Title: Hirokazu Watanabe: Innovator in Display Technology
Introduction
Hirokazu Watanabe is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, holding a total of nine patents. His work focuses on improving the performance and reliability of display devices, particularly through innovative manufacturing methods.
Latest Patents
Watanabe's latest patents include a manufacturing method of a display device aimed at realizing a display device with thin film transistors made from oxide semiconductors that exhibit stable characteristics. One notable aspect of this invention is the specific structure of the display device, which includes a substrate with a display area and multiple pixels. Each pixel features a first thin film transistor that incorporates an oxide semiconductor film, along with insulating films made of silicon oxide. The invention emphasizes the importance of oxygen desorption amounts from the insulating films, which are measured using Thermal Desorption Spectrometry.
Another significant patent involves the development of a flexible display device with a resin substrate. This invention allows for high-temperature annealing of the thin film transistors, thereby enhancing their reliability. The design includes a pixel electrode and a thin film transistor with a semiconductor layer, ensuring efficient connectivity between the source and drain electrodes.
Career Highlights
Throughout his career, Hirokazu Watanabe has worked with notable companies such as Japan Display Inc. and Japan Automatic Machine Co., Ltd. His experience in these organizations has contributed to his expertise in display technology and innovation.
Collaborations
Watanabe has collaborated with several professionals in the field, including Isao Suzumura and Akihiro Hanada. These collaborations have likely enriched his work and led to advancements in display technology.
Conclusion
Hirokazu Watanabe is a key figure in the development of advanced display technologies. His innovative patents and career achievements reflect his dedication to enhancing the performance and reliability of display devices. His contributions continue to influence the industry and pave the way for future advancements.