Location History:
- Kodaira, JP (1981 - 1982)
- Iruma, JP (1994)
Company Filing History:
4 out of 42,517 
2 out of 7 
1 out of 182 
Years Active: 1981-1994
Title: Nobuaki Kitamura: Innovator in Semiconductor Technology
Introduction
Nobuaki Kitamura is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work has had a lasting impact on the development of integrated circuits and clock wiring systems.
Latest Patents
Kitamura's latest patents include innovative designs that enhance the functionality and efficiency of semiconductor devices. One of his patents focuses on clock wiring in semiconductor integrated circuits. This invention involves a shield clock wiring that connects to the same drive source as the clock wiring, laid adjacent to the entire or partial length of the clock wiring. Another significant patent is for a level conversion circuit. In this design, the collectors of differential pair transistors are connected to a positive power source voltage through load resistors. The emitters are linked to a negative power source voltage via a current source transistor, which adjusts the base bias voltage in response to changes in the power source voltages. This mechanism prevents the differential pair transistors from being driven into saturation, ensuring stable operation.
Career Highlights
Throughout his career, Nobuaki Kitamura has worked with prominent companies in the technology sector. He has been associated with Hitachi, Ltd. and Hitachi Ome Electronic Co., Ltd., where he contributed to various projects that advanced semiconductor technology. His expertise and innovative approach have made him a valuable asset in these organizations.
Collaborations
Kitamura has collaborated with several talented individuals in his field, including Kouji Masuda and Masao Mizukami. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Nobuaki Kitamura's contributions to semiconductor technology through his patents and career achievements highlight his role as an influential inventor. His innovative designs continue to shape the future of integrated circuits and electronic devices.