Norimasa Soumiya

Title: Norimasa Soumiya: Innovator in Electrophotographic Technology

Introduction

Norimasa Soumiya is a notable inventor based in Souka, Japan. He has made significant contributions to the field of electrophotographic technology, holding 2 patents that showcase his innovative approach to image forming apparatuses.

Latest Patents

Soumiya's latest patents include a roller charging apparatus and an electrophotographic copier with a phantom image suppression function. The roller charging apparatus features a charging roller made of epichlorohydrin rubber, which eliminates electric nonuniformity and allows for charging with only a DC voltage. Additionally, the roller's durability is enhanced by maintaining a hardness of 42 or more, and it may include a surface layer of polyamide or fluorine resin. The electrophotographic copier is designed to suppress phantom images through a simple structure, utilizing pre-transfer and post-transfer exposure lamps to improve toner transfer and prepare the imaging surface for subsequent copy cycles.

Career Highlights

Norimasa Soumiya is currently employed at Ricoh Company, Ltd., where he continues to develop innovative technologies in the imaging sector. His work has significantly impacted the efficiency and quality of electrophotographic devices.

Collaborations

Soumiya has collaborated with notable colleagues, including Junji Kurokawa and Toshio Nakahara, contributing to advancements in their shared field of expertise.

Conclusion

Norimasa Soumiya's contributions to electrophotographic technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced imaging solutions.