This inventor holds 5 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1986-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile