Hisanobu Tukazaki

Title: Hisanobu Tukazaki: Innovator in Charge Coupled Devices

Introduction

Hisanobu Tukazaki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electronics, particularly in the development of charge coupled devices (CCDs). His innovative work has led to advancements that enhance the functionality and efficiency of these devices.

Latest Patents

Tukazaki holds a patent for a "Charge coupled device provided with automatic bias-voltage setting means." This invention features a bias voltage setting circuit for a main charge coupled device. The design includes first and second auxiliary charge coupled devices formed on a semiconductor substrate alongside the main device. A reference voltage is generated by the first auxiliary device, and the output voltage of the second auxiliary device is compared with this reference voltage using a comparator. The bias voltage applied to the second auxiliary device is automatically adjusted by a feedback circuit to ensure its output voltage is approximately equal to the reference voltage. This bias voltage is also utilized for the main charge coupled device.

Career Highlights

Tukazaki is associated with Hitachi, Ltd., a leading company in technology and electronics. His work at Hitachi has allowed him to focus on innovative solutions that address complex challenges in the field of electronics. His contributions have been instrumental in advancing the capabilities of charge coupled devices.

Collaborations

Throughout his career, Tukazaki has collaborated with esteemed colleagues such as Kazuo Kondo and Syuzo Matsumoto. These collaborations have fostered an environment of innovation and have led to the development of groundbreaking technologies in the industry.

Conclusion

Hisanobu Tukazaki's contributions to the field of charge coupled devices exemplify his dedication to innovation and technology. His patent for an automatic bias-voltage setting circuit showcases his ability to solve complex engineering problems. Tukazaki's work continues to influence the electronics industry, making him a significant figure in the realm of inventions.