Kimio Shibata

Title: **Kimio Shibata: Innovator in Charge Pump and Voltage Regulation Technologies**

Introduction

Kimio Shibata, a distinguished inventor based in Chiba, Japan, has made significant contributions to the fields of electronics and circuit design. With a portfolio of three patents to his name, Shibata has demonstrated expertise in the development of innovative systems that improve charge control and voltage regulation.

Latest Patents

Shibata's latest inventions include a groundbreaking charge pump circuit with improved functionality. This charge pump circuit features a unique switch element that is driven by a ramp waveform, allowing for precise output voltage control. It comprises a group of switch elements for transferring charge to capacitors, along with a feedback circuit that includes an error amplifier to monitor the output voltage against a reference voltage. Additionally, the incorporation of a compensation circuit for phase adjustment, an oscillator for ramp waveform generation, and a control circuit enhances the overall design. The adjustable resistance of at least one switch element enables dynamic control over the charge transfer, providing fixed voltage output with minimal ripple variations, even when the power source voltage changes.

Another notable patent involves a supply voltage regulator specifically designed for electronic applications. This regulator consists of a voltage dividing circuit, reference voltage generator, and differential amplifier, producing an output signal that manages current flow through a load. This innovative approach ensures that the supply voltage remains above a critical threshold, enabling continuous operation under varying conditions, such as increased load current or fluctuating temperatures, without the common locking problems faced by standard voltage regulators.

Career Highlights

Kimio Shibata is currently employed at Seiko Instruments Inc., a company renowned for its advancements in electronic components and systems. His work involves pushing the boundaries of circuit efficiency and reliability, making substantial impacts in his industry.

Collaborations

Throughout his career, Shibata has collaborated with talented professionals, including his coworker Hiroshi Mukainakano. Together, they have contributed to the advancement of electronic technologies, enhancing the operational capabilities of various devices.

Conclusion

Kimio Shibata's innovative spirit and dedication to improving electronic systems underscore his status as a noteworthy inventor. With his insightful approaches to charge control and voltage regulation, Shibata continues to inspire and influence the fields of electronics and circuit design. His patents not only reflect groundbreaking advancements but also pave the way for future innovations in the industry.