Location History:
- Isehara, JP (1986 - 1992)
- Kawasaki, JP (1995)
- Hirakata, JP (1997)
Company Filing History:
Years Active: 1986-1997
Title: Shigehiko Sasa: Innovator in Semiconductor Technology
Introduction
Shigehiko Sasa is a prominent inventor based in Isehara, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on advanced semiconductor devices that leverage innovative materials and structures.
Latest Patents
One of his latest patents is for a heterojunction bipolar semiconductor device and its manufacturing method. This invention features a heterojunction bipolar transistor that includes a support substrate, a collector layer, and a base layer containing arsenic. The design incorporates a first emitter layer with phosphorus, which has a wider band gap than the base layer. Additionally, an emitter passivation layer is included to enhance the performance of the device.
Another notable patent is for a quantum interference effect semiconductor device and its production method. This invention describes a quantum interference effect transistor that consists of a semiconductor substrate and multiple n-type semiconductor layers. The design generates a two-dimensional electron gas channel, which is crucial for the operation of the device. The structure allows for unique electron probability distributions, enhancing the functionality of the transistor.
Career Highlights
Shigehiko Sasa is currently employed at Fujitsu Corporation, where he continues to innovate in the semiconductor field. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and effective for various applications.
Collaborations
Throughout his career, Sasa has collaborated with notable colleagues, including Hiroshi Arimoto and Tsuguo Inata. These partnerships have contributed to the development of groundbreaking technologies in the semiconductor industry.
Conclusion
Shigehiko Sasa's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative designs continue to shape the future of electronic devices.
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.