Tsutomu Okutomi

Title: **Innovations of Tsutomu Okutomi: A Pioneer in Vacuum Interrupters**

Introduction

Tsutomu Okutomi is a prominent inventor based in Kanagawa-ken, Japan, with an impressive portfolio of 29 patents. His work primarily focuses on innovations in the field of electrical engineering, particularly concerning vacuum interrupters and switch technologies. His contributions have significantly enhanced the performance and reliability of these crucial components in electrical systems.

Latest Patents

Among his latest breakthroughs, Okutomi developed a patent for a vacuum interrupter and a vacuum switch which utilizes a unique WC—Cu Sb-balance Cu alloy for contacts. This innovative alloy includes tungsten (W) or tungsten-molybdenum (WMo) in a content range of 65 to 85%, optimized with specific grain diameters and auxiliary constituents for improved performance. The inventive contact material enhances arcing resistance, reduces damage due to melting, and improves contact resistance characteristics. Additionally, he has devised methods for manufacturing effective contact materials that include a blend of conductive and arc-proof materials, emphasizing the meticulous balance and proportion of each constituent.

Career Highlights

Throughout his career, Tsutomu Okutomi has collaborated with leading companies in the technology sector, including Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His role in these organizations has allowed him to translate theoretical research into applicable technology that can be utilized in a variety of electrical systems. His focus on research and development has significantly advanced the capabilities of vacuum switch technology.

Collaborations

Okutomi has worked alongside esteemed colleagues such as Atsushi Yamamoto and Tsuneyo Seki. Their combined expertise has fostered a collaborative environment that has led to significant advancements in their field. The synergy among these inventors has resulted in patents that push the boundaries of what is possible in electrical engineering, particularly in the area of vacuum technologies.

Conclusion

Tsutomu Okutomi's contributions to the field of electrical engineering, especially through his numerous patents, have established him as a key innovator in vacuum interrupter technology. His ongoing dedication to advancing this crucial technology ensures that his work will have a lasting impact on electrical systems worldwide. As he continues to innovate, the industry looks forward to more groundbreaking inventions from this prolific inventor.