Company Filing History:
Years Active: 1992-1999
Title: Yasunori Tateno: Innovator in Semiconductor Technology
Introduction
Yasunori Tateno is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his innovative approach to enhancing electronic devices.
Latest Patents
Tateno's latest patents include advancements in enhancement type MESFET technology. This invention involves a carrier transfer layer of compound semiconductor material that is strategically placed on a support substrate. A gate electrode made of conductive material is positioned on the carrier transfer layer, while a cap layer of non-doped compound semiconductor material is applied on both sides of the gate electrode. The cap layer's thickness is specified to be 100 nm or thicker, ensuring optimal performance. This enhancement mode MESFET is designed to maintain gain and output power, preventing degradation.
Another notable patent is a switching circuit that maintains constant impedance regardless of its switching state. This circuit features a transmission line with a specific impedance value connected to an input terminal. It includes a first switching portion with multiple first transistors in parallel and a second switching portion with a second transistor and a resistor. The complementary switching of these transistors allows for effective impedance matching with various objective circuits, thereby reducing signal transfer loss.
Career Highlights
Yasunori Tateno is currently employed at Fujitsu Corporation, where he continues to push the boundaries of semiconductor technology. His work has been instrumental in developing solutions that enhance the performance and efficiency of electronic devices.
Collaborations
Tateno has collaborated with notable colleagues, including Masaki Nagahara and Masahiko Takikawa. Their combined expertise has contributed to the successful development of innovative technologies in the semiconductor field.
Conclusion
Yasunori Tateno's contributions to semiconductor technology through his patents reflect his dedication to innovation. His work at Fujitsu Corporation and collaborations with esteemed colleagues further highlight his impact on the industry.