Yoshinobu Watanabe

Title: The Innovations of Yoshinobu Watanabe

Introduction

Yoshinobu Watanabe is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of electronics, particularly in the development of thick-film resistors and ceramic circuit boards. With a total of 4 patents to his name, Watanabe's work has had a lasting impact on the industry.

Latest Patents

Watanabe's latest patents include a thick-film resistor that contains RuO and a specific SiO-B O-K O glass composition. This composition consists of 60 wt % ≤ SiO ≤ 85 wt %, 15 wt % ≤ B O ≤ 40 wt %, 0.1 wt % ≤ K O ≤ 10 wt %, and an impurity level of ≤ 3 wt %. Additionally, he has developed a ceramic circuit board that incorporates this thick-film resistor. Another significant patent is for a thick-film resistor paste, which consists of a first glass powder, a second glass powder, a conductive material powder, and an organic vehicle. The first glass powder is mixed in a larger quantity than the second and contains a specific composition of CaO, SiO2, Al2O3, and B2O3. The thermal expansion coefficients and glass transition points of these materials are also carefully considered in his designs.

Career Highlights

Throughout his career, Watanabe has worked with prominent companies such as Sumitomo Metal Electronics Devices, Inc. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in electronic materials.

Collaborations

Watanabe has collaborated with notable colleagues, including Masashi Fukaya and Chiaki Higuchi. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the field.

Conclusion

Yoshinobu Watanabe's contributions to the field of electronics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.