Takashi Hasunuma

Title: **Innovator Spotlight: Takashi Hasunuma**

Introduction

Takashi Hasunuma, a distinguished inventor based in Narita, Japan, has made significant contributions to the field of electrical engineering with a focus on over-current protection devices. With a portfolio of nine patents, his innovative designs demonstrate his commitment to improving safety and efficiency in electronic applications.

Latest Patents

Among his latest innovations is an over-current protection device that features a novel design comprising first and second electrode layers and a PTC material layer laminated in between. The polymer matrix of the PTC layer, which includes carbon black, consists of a specialized fluoropolymer that boasts a melting point above 150°C. Notably, the device showcases a resistance jump at 16V/50 A of 0.80-1.20 after 1000 cycles and at 25V/50 A of 0.90-1.30 after the same testing duration. Additionally, Hasunuma has developed a unique protective device that integrates a PTC component with other non-resettable contacts to enhance safety measures during current surges.

Career Highlights

Throughout his career, Hasunuma has been associated with prominent companies, including Tyco Electronics Raychem. His work has significantly impacted the industry, providing innovative solutions to common electrical safety challenges.

Collaborations

In his professional journey, Takashi Hasunuma has collaborated with notable individuals such as Naofumi Miyasaka and Takashi Sato. Their combined expertise has further advanced his research and development efforts, leading to the creation of groundbreaking protection devices.

Conclusion

Takashi Hasunuma exemplifies the spirit of innovation in electrical engineering, with his numerous patents reflecting a deep understanding of over-current protection mechanisms. His ongoing contributions have the potential to enhance safety in electronic devices, solidifying his reputation as a leader in the field.