Kazushige Hirata

Title: Kazushige Hirata: Innovator in LED Technology

Introduction

Kazushige Hirata is a notable inventor based in Niiza, Japan. He has made significant contributions to the field of LED technology, holding a total of 3 patents. His work focuses on improving the efficiency and reliability of LED lighting systems.

Latest Patents

Hirata's latest patents include an LED driving apparatus and a discharge lamp lighting device. The LED driving apparatus is designed to convert AC input power into predetermined DC output power, which is then supplied to an LED load. This apparatus features a switching element that is turned on and off, a ripple current reducer that minimizes current ripples, and a controller that regulates the DC output power based on feedback voltage.

The discharge lamp lighting device includes a tube current detecting circuit that outputs detection signals for the currents flowing through each discharge lamp. It incorporates a maximum detector and a minimum detector to identify the maximum and minimum values of these signals. A comparison circuit computes various values between these extremes to generate a cease signal when necessary, ensuring the protection of discharge lamps from overheating due to arc discharge.

Career Highlights

Kazushige Hirata is currently employed at Sanken Electric Co., Ltd., where he continues to innovate in the field of lighting technology. His work has been instrumental in advancing the capabilities of LED and discharge lamp systems.

Collaborations

Hirata collaborates with talented coworkers, including Toru Ashikaga and Mizuki Utsuno, who contribute to the innovative environment at Sanken Electric Co., Ltd.

Conclusion

Kazushige Hirata's contributions to LED technology and discharge lamp systems highlight his role as a significant inventor in the field. His patents reflect a commitment to enhancing the efficiency and safety of lighting solutions.