Zenjiro Okuno

Title: Zenjiro Okuno: Innovator in Electrophotography

Introduction

Zenjiro Okuno is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrophotography, holding a total of 2 patents. His work focuses on developing advanced photosensitive materials and toner compositions that enhance the efficiency of electrostatic imaging processes.

Latest Patents

Okuno's latest patents include an electrophotographic photosensitive material with electron donors. This invention features a conductive support with a first layer that generates a conductive carrier through light absorption, combined with an electron donor or acceptor. The second layer consists of the opposite party of the electron donor or acceptor in the first layer, ensuring optimal performance in electrophotography. Another notable patent is for a toner composition designed for multiple copy electrostatic photography. This toner comprises a magnetic carrier composition, where each particle includes a ferromagnetic material and resin. The effective conductivity of this composition is measured under specific conditions, ensuring high-quality results in electrostatic imaging.

Career Highlights

Zenjiro Okuno is currently associated with Ricoh Company, Ltd., a leading firm in imaging and electronics. His innovative work has positioned him as a key figure in the development of technologies that improve the efficiency and quality of photocopying and printing processes.

Collaborations

Throughout his career, Okuno has collaborated with notable colleagues, including Akio Kozima and Mitsuru Hashimoto. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Zenjiro Okuno's contributions to electrophotography through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the imaging industry, paving the way for future innovations.