Location History:
- Hyogo, JP (2019)
- Kobe, JP (2015 - 2020)
Company Filing History:
5 out of 1,883 
1 out of 42 
1 out of 26,925 
Years Active: 2015-2020
Title: Kenta Hirose: Innovator in Thin Film Transistors and Oxide Sintered Bodies
Introduction
Kenta Hirose is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of thin film transistors and oxide sintered bodies. With a total of 6 patents to his name, Hirose's work has had a substantial impact on the industry.
Latest Patents
Hirose's latest patents include a thin film transistor and a display device. This innovative thin film transistor comprises an oxide semiconductor thin film layer that maintains a stable threshold voltage under various conditions, such as light exposure and bias stress. The design features a gate electrode, an oxide semiconductor layer serving as the channel layer, and a gate insulator film positioned between the gate electrode and the channel layer. The oxide semiconductor layer is composed of at least one metal element selected from indium, gallium, zinc, and tin, with specific constraints on the composition to ensure optimal performance. Additionally, the hydrogen concentration in the gate insulator film is controlled to 4 atomic % or less, enhancing the device's stability.
Another notable patent involves the production of an oxide sintered body and sputtering target. This oxide sintered body is created by sintering indium oxide, gallium oxide, and tin oxide, achieving a relative density of 90% or more and an average grain size of 10 micrometers or less. The composition ratios of indium, gallium, and tin are carefully controlled to meet specific criteria, ensuring the desired properties of the oxide sintered body.
Career Highlights
Throughout his career, Kenta Hirose has worked with reputable companies such as Kobe Steel, Ltd. and Kobelco Research Institute, Inc. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.
Collaborations
Hirose has collaborated with notable colleagues, including Shinya Morita and Toshihiro Kugimiya. These partnerships have fostered a collaborative environment that has led to advancements in their respective fields.
Conclusion
Kenta Hirose's contributions to the field of semiconductor technology, particularly through his patents on thin film transistors and oxide sintered bodies, highlight his innovative spirit and dedication to advancing technology. His work continues to
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