Tsuneo Funatsu

Title: The Innovations of Tsuneo Funatsu

Introduction

Tsuneo Funatsu is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of four patents. His work focuses on enhancing the efficiency and reliability of semiconductor devices.

Latest Patents

One of Funatsu's latest patents is a semiconductor storage device using a redundancy method. This innovative device includes a redundancy circuit that replaces defective memory cells with redundancy memory cells. It also features a charge pump that programs redundancy information by selectively performing dielectric breakdown to a capacity. Additionally, a redundancy control circuit supplies a fixed charge to the capacity and refreshes it, thereby reproducing the programmed redundancy information. Another notable patent is for a semiconductor device and a method of manufacturing the same. This device integrates at least one bipolar transistor and at least one MIS FET within a single semiconductor substrate. Each region of the bipolar transistor and the MIS FET has an electrode that shares the same conductivity type and is connected to ohmic contact with the surface of the corresponding region.

Career Highlights

Tsuneo Funatsu is currently employed at Fujitsu Corporation, where he continues to innovate in semiconductor technology. His work has been instrumental in advancing the capabilities of semiconductor devices, making them more efficient and reliable for various applications.

Collaborations

Funatsu has collaborated with notable coworkers, including Yoshinobu Momma and Atusi Sasaki. Their combined expertise has contributed to the successful development of innovative semiconductor technologies.

Conclusion

Tsuneo Funatsu's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced semiconductor devices.