Location History:
- Tokyo, JP (1999 - 2000)
- Chiba, JP (2001 - 2004)
- Fukaya, JP (2009)
Company Filing History:
9 out of 2,899 
2 out of 2 Years Active: 1999-2009
Title: Hirokazu Yoshizawa: Innovator in Amplifier Circuit Technology
Introduction
Hirokazu Yoshizawa is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of amplifier circuit technology, holding a total of 9 patents. His innovative designs focus on enhancing the performance and efficiency of electronic circuits.
Latest Patents
Yoshizawa's latest patents include a chopper amplifier circuit designed to eliminate the influence of an amplifier's slew rate and suppress spike generation. This invention aims to produce an output signal with minimal harmonic distortion. The chopper amplifier circuit features a first chopper circuit that modulates the input signal using two pulses that are phase-shifted. It also includes an amplifier that enhances the modulated signal and two sample hold circuits that manage the timing of the output. Another notable patent involves a chopper amplifier circuit that reduces the offset voltage of a sensor bridge and its temperature characteristics. This invention incorporates an offset adjusting voltage generation circuit and an offset temperature characteristics adjusting voltage generation circuit, which work together to improve sensor performance.
Career Highlights
Throughout his career, Yoshizawa has worked with notable companies such as Seiko Instruments Inc. and Gakkouhoujin Chikoujigakuen. His experience in these organizations has contributed to his expertise in developing advanced electronic solutions.
Collaborations
Yoshizawa has collaborated with talented individuals in the field, including Ryoichi Anzai and Toshiyuki Uchida. These partnerships have fostered innovation and the exchange of ideas, further enhancing his contributions to technology.
Conclusion
Hirokazu Yoshizawa's work in amplifier circuit technology showcases his dedication to innovation and excellence. His patents reflect a deep understanding of electronic systems and a commitment to improving their functionality.