Location History:
- Kasugai, JP (2002 - 2008)
- Kawasaki, JP (2016)
Company Filing History:
10 out of 39,238 
1 out of 1,674 
Years Active: 2002-2016
Title: Koji Takekawa: Innovator in Circuit Design
Introduction
Koji Takekawa is a prominent inventor based in Kasugai, Japan. He has made significant contributions to the field of circuit design, holding a total of 10 patents. His work primarily focuses on charge and discharge signal circuits and amplification circuits, showcasing his expertise in electronic engineering.
Latest Patents
Among his latest patents, the "Charge and Discharge Signal Circuit and DC-DC Converter" stands out. This invention includes high side and low side transistors connected in series, along with drive circuits that utilize level shifters and capacitor switch strings. The design aims to enhance the efficiency of charge and discharge processes in electronic devices. Another notable patent is the "Amplification Circuit and Control Method of Amplification Circuit." This circuit is designed to work with a lowpass filter, reducing the time needed for compensating amplification characteristics and improving startup times when power is turned on. It operates in different modes, adjusting the cut-off frequency to maintain output signal integrity.
Career Highlights
Koji Takekawa has had a distinguished career, working with leading companies in the technology sector. He has been associated with Fujitsu Corporation and Fujitsu Semiconductor Limited, where he contributed to various innovative projects. His experience in these organizations has allowed him to refine his skills and develop groundbreaking technologies.
Collaborations
Throughout his career, Takekawa has collaborated with talented individuals such as Takahiro Watai and Masaya Mizutani. These partnerships have fostered a creative environment that has led to the development of advanced electronic solutions.
Conclusion
Koji Takekawa's contributions to circuit design and his impressive portfolio of patents highlight his role as a key innovator in the field. His work continues to influence the development of electronic technologies, making a lasting impact on the industry.