Ikuo Iwai

Title: Ikuo Iwai: Innovator in High Pressure Discharge Lamps

Introduction

Ikuo Iwai is a notable inventor based in Ohmiya, Japan. He has made significant contributions to the field of lighting technology, particularly through his innovative designs in high pressure discharge lamps. His work has led to advancements that enhance the efficiency and functionality of these lighting systems.

Latest Patents

Iwai holds a patent for a high pressure discharge lamp with a starting circuit contained therein. This invention features an arc tube equipped with a pair of opposed electrodes at hermetically sealed ends. The interior of the arc tube is filled with a luminous metal and gas, which contributes to its lighting capabilities. The design includes a series circuit consisting of a thermo-responsive switch and a resistor, which is shunted to the electrodes of the arc tube. The resistance value of the resistor is carefully calibrated to ensure that a sufficient current flows to induce a pulse of higher voltage than the starting voltage, while maintaining a current that is equal to or less than the lamp current during stable operation.

Career Highlights

Ikuo Iwai has been associated with Iwasaki Electric Co., Ltd., a company known for its commitment to innovation in lighting solutions. His work at the company has allowed him to develop and refine technologies that are crucial for modern lighting applications.

Collaborations

Throughout his career, Iwai has collaborated with talented individuals such as Masafumi Ochi and Motonobu Masui. These collaborations have fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Ikuo Iwai's contributions to the field of high pressure discharge lamps exemplify the impact of innovative thinking in technology. His patent and collaborative efforts continue to influence the lighting industry, showcasing the importance of invention in enhancing everyday life.