Yasuo Iijima

Title: Yasuo Iijima: Innovator in Insulation Testing Technologies

Introduction

Yasuo Iijima is a prominent inventor known for his contributions to insulation testing technologies. He is based in Takefu, Japan, and has been awarded a total of 7 patents throughout his career. His innovative work has significantly advanced the field of electrical insulation testing.

Latest Patents

Iijima's latest patents include an "Insulation testing method and apparatus therefor." This invention involves a method where a voltage value of an impulse voltage is repetitively applied to a test-piece coil, with monitoring to detect electric breakdowns. Upon detection, the application of the impulse voltage is immediately halted to prevent damage to the coil. The measured voltage at the time of breakdown is stored for future reference as a breakdown voltage value. Another notable patent is the "Method of nondestructive insulation test and a nondestructive insulation." This method includes steps such as placing an electric device in reduced atmospheric pressure and supplying a voltage signal to detect insulation conditions through glow discharge.

Career Highlights

Yasuo Iijima has made significant strides in his career while working at Matsushita Electric Industrial Co., Ltd. His innovative approaches to insulation testing have positioned him as a key figure in the industry. His patents reflect a deep understanding of electrical engineering and a commitment to improving safety and efficiency in electrical devices.

Collaborations

Iijima has collaborated with notable coworkers, including Masahiro Tsubokawa and Tokihiko Shimizu. Their combined expertise has contributed to the development of advanced insulation testing technologies.

Conclusion

Yasuo Iijima's work in insulation testing has made a lasting impact on the field of electrical engineering. His innovative patents and collaborations highlight his dedication to advancing technology and ensuring safety in electrical applications.