Kazuo Hasegawa

Title: Kazuo Hasegawa: Innovator in Concentration Measurement Technology

Introduction

Kazuo Hasegawa, an inventive mind based in Kawasaki, Japan, has made notable contributions to the field of measurement technology. With his innovative approach, he has developed technology that enhances the accuracy and efficiency of concentration measurement in various solutions.

Latest Patents

Kazuo Hasegawa holds a patent for a concentration measuring instrument. This sophisticated device utilizes a piezoelectric vibrator to transmit ultrasonic waves into a solution within a cavity, enabling it to detect the ultrasonic waves that are reflected back. The instrument is equipped with a temperature sensor to measure the solution's temperature and a drive circuit that generates a drive signal for the piezoelectric vibrator. A phase comparator performs phase comparison between the drive signal and the detection signal, while the frequency-setting circuit ensures sequentially different frequencies are monitored to identify resonant frequency. The Phase Locked Loop (PLL) circuit further enhances the device by adjusting the frequency of the drive signal to align with the detected resonant frequency. A microcomputer then calculates the concentration of a solute based on the frequency of the drive signal and the temperature measurements.

Career Highlights

Kazuo Hasegawa is currently associated with Tyco Electronics Japan G.K., a leading company in electronics and connectivity solutions. His work is pivotal in advancing measurement techniques that have applications across various industries.

Collaborations

Throughout his career, Kazuo Hasegawa has collaborated with talented individuals such as Tsuyoshi Tanaka and Heewon Jeong. These partnerships contribute to the richness of innovation and technological advancements within their projects.

Conclusion

Kazuo Hasegawa's innovative spirit and contributions to measurement technology highlight the role of inventors in driving progress. His patent for the concentration measuring instrument represents a significant advancement, offering improved precision in measuring solute concentrations. His work not only exemplifies ingenuity but also paves the way for advancements in scientific and industrial applications.