Kiyoko Nagai

Title: Kiyoko Nagai: Innovator in Semiconductor Technology

Introduction

Kiyoko Nagai is a prominent inventor based in Chofu, Japan. She has made significant contributions to the field of semiconductor technology, particularly in the development of non-volatile optical memory devices. Her innovative work has garnered attention and respect within the scientific community.

Latest Patents

Kiyoko Nagai holds a patent for a semiconductor non-volatile optical memory device. This device is constructed by providing light-permeable charge retention means in an insulating layer on a first semiconductor surface. The design allows for the injection of photo-generated carriers into the surface of the first semiconductor region by applying reverse bias between the first semiconductor region and a second region forming a rectifying junction. Additionally, the patent discloses a non-volatile memory integrated circuit that employs one or more of these devices along with a light source in the same package. This integrated circuit operates under low bias voltage and is compatible with high-speed integrated logic circuits.

Career Highlights

Kiyoko Nagai is associated with the Agency of Industrial Science and Technology, where she has been instrumental in advancing semiconductor research and development. Her work has not only contributed to technological advancements but has also paved the way for future innovations in memory devices.

Collaborations

Kiyoko has collaborated with notable colleagues such as Yasuo Tarui and Yutaka Hayashi. Their combined expertise has further enhanced the research and development efforts in the field of semiconductor technology.

Conclusion

Kiyoko Nagai's contributions to semiconductor technology, particularly her patent for a non-volatile optical memory device, highlight her role as an influential inventor. Her work continues to impact the field and inspire future innovations.