Location History:
- Yokohama, JP (1980)
- Tokyo, JP (1994)
- Hachioji, JP (1978 - 1997)
Company Filing History:
Years Active: 1978-1997
Title: Masahiko Kawata: Innovator in Semiconductor Technology
Introduction
Masahiko Kawata is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 8 patents. His work focuses on advancing semiconductor devices, which are crucial for modern electronics.
Latest Patents
Kawata's latest patents include innovative designs for semiconductor devices. One notable patent describes a semiconductor device that comprises a semiconductor substrate formed by a first single crystalline semiconductor material. This device features semiconductor layers formed on the substrate by a second single crystalline semiconductor material, which is doped with an element that can easily surface segregate. The design ensures that the surface of the semiconductor substrate is formed of a crystalline plane substantially equivalent to a facet plane, enhancing the performance of the device.
Another significant patent involves a heterojunction type field effect transistor and a heterojunction type bipolar transistor. This invention details methods for fabricating these devices by introducing impurities or using materials with different thermal expansion coefficients. These techniques aim to reduce source-gate resistance and parasitic base resistance, improving the overall efficiency of semiconductor devices.
Career Highlights
Masahiko Kawata is associated with Hitachi, Ltd., a leading company in technology and electronics. His work at Hitachi has allowed him to push the boundaries of semiconductor innovation, contributing to the company's reputation for excellence in the field.
Collaborations
Kawata has collaborated with notable colleagues, including Katsuhiko Mitani and Susumu Takahashi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Masahiko Kawata's contributions to semiconductor technology have made a significant impact on the industry. His innovative patents and collaborations highlight his dedication to advancing technology. His work continues to influence the development of efficient and effective semiconductor devices.