Location History:
- Tsuchiura, JP (1990 - 1997)
- Ushiku, JP (1995 - 1999)
- Ibaraki, JP (2001)
Company Filing History:
5 out of 499 
2 out of 58 
2 out of 2,352 Years Active: 1990-2001
Title: The Innovations of Tadashige Sato
Introduction
Tadashige Sato is a prominent inventor based in Ushiku, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work primarily focuses on the development of advanced materials and devices that enhance the performance of light-emitting diodes and epitaxial wafers.
Latest Patents
Among his latest patents are two notable inventions. The first is a gallium arsenide phosphide epitaxial wafer, which features a compound semiconductor epitaxial layer on a substrate. This invention boasts a total thickness of the compound semiconductor epitaxial layers comprising Ga, As, and P as constituent elements, measuring not less than 80 µm. Additionally, it includes a low carrier concentration region doped with nitrogen, which enhances its functionality. The second patent is for a light-emitting diode with tilted plane orientation. This diode incorporates an epitaxial wafer where a gallium phosphide or gallium phosphide arsenide mixed crystal epitaxial layer is grown on a III-V family compound single crystal substrate. The substrate's surface is tilted by 5 to 16 degrees from a (100) plane, which improves light-emitting output and ensures a longer service life.
Career Highlights
Tadashige Sato has had a distinguished career, working with notable companies such as Mitsubishi Kasei Corporation and Mitsubishi Monsanto Chemical Co., Ltd. His experience in these organizations has allowed him to refine his expertise in semiconductor technologies and contribute to groundbreaking innovations.
Collaborations
Throughout his career, Sato has collaborated with esteemed colleagues, including Hitora Takahashi and Hisanori Fujita. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.
Conclusion
Tadashige Sato's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative work continues to influence the development of advanced electronic devices.