Hisaji Ito

Title: Hisaji Ito: Innovator in Discharge Lamp Technology

Introduction

Hisaji Ito is a distinguished inventor based in Takarazuka, Japan, recognized for his contribution to lighting technology. With a focus on enhancing illumination devices, Ito has secured one patent that stands out in the field of electrical engineering.

Latest Patents

Hisaji Ito's notable patent is for a discharge lamp lighting device, an illumination device, and a projector. This innovative design employs a chopper circuit where the output power is controllable using a direct current power source. A smoothing capacitor is strategically connected between the output terminals of the chopper circuit. Furthermore, his system features a polarity inversion circuit that applies alternating voltage to a high-pressure discharge lamp, utilizing the voltage across the smoothing capacitor. This advanced configuration enables effective control of output power and inversion frequency, enhancing operational efficiency while preventing arc jumps in the lamp.

Career Highlights

Ito is affiliated with Panasonic Electric Works Co., Ltd., a renowned company known for its commitment to innovation and technology. His work significantly aligns with the company's vision of developing high-quality lighting solutions and contributing to advancements in the field.

Collaborations

Throughout his career, Hisaji Ito has collaborated with accomplished colleagues, including Koji Watanabe and Kiyoaki Uchihashi. These partnerships have greatly enriched the development of innovative technologies within the company.

Conclusion

Hisaji Ito's inventive spirit and dedication to enhancing lighting technology through his patent reflect his significance as an innovator in the electrical engineering sector. His contributions have paved the way for advancements in illumination devices, positioning him as a key figure in the industry.