Yoshio Ohtagaki

Title: The Innovations of Yoshio Ohtagaki

Introduction

Yoshio Ohtagaki is a notable inventor based in Gyoda, Japan. He is recognized for his contributions to the field of high-pressure discharge lamps. His innovative approach has led to the development of a unique patent that enhances the functionality of these devices.

Latest Patents

Ohtagaki holds a patent for a "High pressure discharge lamp with incorporated starter." This invention features a high-pressure discharge lamp device equipped with an inductive stabilizer and a starting circuit. The starting circuit consists of a serial circuit of a resistor and a bimetal switch. A pulse waveform conversion circuit is integrated to reduce the pulse peak of the starting voltage while broadening the pulse width. The pulse waveform conversion circuit includes a serial circuit of a resistor and a switching element, such as a micro-gap element, which operates at a voltage lower than the starting voltage of the discharge lamp but higher than the secondary load-free voltage of the stabilizer.

Career Highlights

Throughout his career, Yoshio Ohtagaki has worked with prominent companies, including Iwasaki Electric Co., Ltd. and Mitsubishi Mining and Cement Co., Ltd. His experience in these organizations has contributed significantly to his expertise in electrical engineering and lighting technology.

Collaborations

Ohtagaki has collaborated with several talented individuals in his field, including Masafumi Ochi and Motonobu Masui. These partnerships have fostered innovation and advancement in the technologies they have worked on together.

Conclusion

Yoshio Ohtagaki's contributions to the field of high-pressure discharge lamps demonstrate his innovative spirit and technical expertise. His patent reflects a significant advancement in lighting technology, showcasing his ability to solve complex engineering challenges.