Michinao Kawano

Title: **Michinao Kawano: Innovator Behind Advanced Laser Diode Temperature Control**

Introduction

Michinao Kawano, a dedicated inventor based in Yokohama, Japan, has made significant contributions to the field of temperature control for laser diodes. With one patent to his name, Kawano's work addresses critical issues in maintaining stable temperatures within laser technology.

Latest Patents

Kawano's notable invention is an automatic temperature control circuit for laser diodes. This innovative circuit effectively solves the problem of unstable temperature control during the transition between heating and cooling the laser diode. The design incorporates a Peltier element, which adjusts the temperature of the laser diode by either heating or cooling. A temperature detecting section monitors the temperature and outputs a corresponding detected voltage. An error amplifying section compares the detected voltage with a fixed value to output an error voltage. To ensure precise control, a Peltier current control section manages the direction of the driving current supplied to the Peltier element in response to the error voltage. Furthermore, the circuit includes feedback functionality that correlates the voltage from the driving current to the input side of the error amplifying section, thereby enhancing the overall performance and stability of the temperature control system.

Career Highlights

Kawano's career is marked by his substantial role at Fujitsu Corporation, where he has been a key player in advancing laser technology. His expertise has been vital in developing innovative solutions that enhance the reliability and efficiency of laser diodes.

Collaborations

During his tenure at Fujitsu, Kawano has collaborated with talented coworkers such as Setsuo Misaizu and Tomoko Anzai. These collaborations have contributed to the successful development of cutting-edge technologies, showcasing the strength of teamwork and shared vision in the field of innovation.

Conclusion

Michinao Kawano exemplifies the spirit of innovation within the laser technology industry. His automatic temperature control circuit for laser diodes represents a significant advancement, addressing key challenges in this critical field. As Kawano continues to push the boundaries of technology at Fujitsu Corporation, his contributions will undoubtedly inspire further innovations in the years to come.