Keiji Harada

Introduction

Keiji Harada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electronic apparatuses, holding a total of five patents. His innovative designs and methodologies have enhanced the functionality and efficiency of motors and control circuits.

Latest Patents

Keiji Harada's latest patents include advancements in electronic apparatus design, specifically focusing on control methods and storage mediums. One of his prominent inventions involves an electronic apparatus that includes a DC motor operated by a power source. This device features a detection circuit designed to identify instantaneous interruptions in the power supply. Additionally, it includes an H bridge circuit that comprises upper and lower arm circuits, controlling the current supplied to the DC motor efficiently.

Another noteworthy patent revolves around a motor drive circuit and its method of control. This invention aims to simplify the PWM control of DC motors through fewer serial interfaces. It introduces energization control units that switch the motor's direction via PWM signal-driven elements alongside a reception unit for data communication, enhancing operational efficiency.

Career Highlights

Keiji Harada is currently affiliated with Canon Inc. (previously known as Canon Kabushiki Kaisha), a leading company in the imaging and optical products sector. Within his tenure, he has developed innovative technologies that underscore his commitment to advancing electronic apparatuses. His work exemplifies a blend of creativity and technical expertise, further establishing him as a prominent figure in the field.

Collaborations

During his career, Keiji Harada has collaborated with talented coworkers such as Kazuya Koizumi and Yasutaka Mitani. Together, they have contributed to several projects that highlight the importance of teamwork in fostering innovation and developing cutting-edge technologies.

Conclusion

In summary, Keiji Harada's dedication to improving electronic apparatuses through his patents demonstrates his invaluable role in the field of invention. His continued work at Canon Inc. and collaborations with other inventors reflect his commitment to research and development. As technology evolves, the contributions of inventors like Harada will undoubtedly pave the way for future innovations.