Yoshinobu Joh

Title: Innovations of Yoshinobu Joh

Introduction

Yoshinobu Joh is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of electrostatic imaging technology. With a total of 3 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is focused on a toner for developing electrostatic images and a fixing method. This toner is composed of a binder resin and a colorant. The binder resin is characterized by containing at least 20 wt. % of an extraction residue after 6 hours of extraction and below 20 wt. % of an extraction residue after 72 hours of extraction, as determined by Soxhlet extraction with tetrahydrofuran. The toner exhibits a dynamic modulus and a loss modulus at 200°C and 0.1 Hz, which remain substantially unchanged over time. These properties provide the toner with a harmonious balance of anti-offset characteristics and fixability, as well as stable viscoelasticity under heating.

Career Highlights

Yoshinobu Joh is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His innovative work has contributed to the advancement of toner technology, enhancing the quality and efficiency of electrostatic imaging processes.

Collaborations

He has collaborated with notable coworkers, including Hirohide Tanikawa and Masaki Uchiyama, to further develop and refine his inventions.

Conclusion

Yoshinobu Joh's contributions to the field of electrostatic imaging through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in toner technology and imaging solutions.