Location History:
- Fukaya, JP (2011 - 2016)
- Minato-ku, JP (2017 - 2021)
- Tokyo, JP (2009 - 2024)
Company Filing History:
47 out of 5,668 
1 out of 130 
1 out of 12 Years Active: 2009-2025
Title: Hajime Watakabe: A Pioneer in Semiconductor Innovations
Introduction
Hajime Watakabe is a distinguished inventor based in Tokyo, JP, known for his significant contributions to the field of semiconductor devices. With an impressive portfolio of 44 patents, Watakabe has been at the forefront of technological advancements, particularly in thin film transistors (TFT) and their applications in display devices.
Latest Patents
Watakabe’s latest patents delve into innovative semiconductor device designs. One of his recent inventions is a display device featuring a substrate with thin film transistors. This technology integrates an oxide semiconductor film, a gate electrode, and a specialized insulating film. Notably, his design incorporates two aluminum oxide films which improve performance by optimizing oxygen concentrations. This design enhances the characteristics of TFTs by addressing issues related to oxygen extraction by metal electrodes.
Another significant patent focuses on suppressing changes in the characteristics of a TFT utilizing an oxide semiconductor film. This invention features a semiconductor device where a gate insulating film is placed over the gate electrode, with the oxide semiconductor film strategically organized into channel, drain, and source regions. A metal nitride film is also introduced on the gate electrode to further stabilize the device's functionality.
Career Highlights
Hajime Watakabe has built a remarkable career through his work at notable institutions, including Japan Display Inc. and the National University Corporation Tokyo University of Agriculture and Technology. His tenure at these organizations has allowed him to refine his expertise in semiconductor technology, positioning him as an influential figure in this specialized field.
Collaborations
Throughout his career, Watakabe has collaborated with talented professionals such as Akihiro Hanada and Isao Suzumura. These partnerships have been crucial in advancing research and innovation in semiconductor devices, underscoring the importance of teamwork in achieving groundbreaking technological developments.
Conclusion
Hajime Watakabe's dedication to innovation in semiconductor technology has made a profound impact on the industry. His extensive patent portfolio and collaborative efforts showcase his commitment to driving advancements that enhance the functionality and efficiency of semiconductor devices. As technology continues to evolve, Watakabe's contributions will undoubtedly play a vital role in shaping the future of electronics.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.