Hiroshi Nakahara

Title: Innovations of Hiroshi Nakahara

Introduction

Hiroshi Nakahara is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of electrophotography, holding a total of four patents. His work focuses on enhancing the performance and efficiency of image-forming apparatuses.

Latest Patents

Nakahara's latest patents include an electrophotographic photoreceptor and an image-forming apparatus. The electrophotographic photoreceptor features a conductive support with multiple layers, including an intermediate layer containing rutile type titanium oxide particles. Notably, 50% or more of these particles have an organic compound on their surface. The charge generating layer incorporates a pigment with a 2,3-butanediol adduct of a phthalocyanine compound. Additionally, the charge transporting layer contains a material with an ionization potential of 5.45 to 5.60 eV, while the protective layer is composed of metal oxide particles within a cured resin.

The electrophotographic image forming apparatus utilizes an organic photoreceptor with a laminated structure. It includes a unit for supplying lubricant and a cleaning blade to remove toner from the photoreceptor's surface. This apparatus meets specific conditions regarding the hardness of the protective layer and the cleaning blade.

Career Highlights

Hiroshi Nakahara is currently employed at Konica Minolta, Inc., where he continues to innovate in the field of imaging technology. His work has significantly impacted the efficiency and quality of electrophotographic processes.

Collaborations

Nakahara collaborates with notable colleagues, including Shinichi Hamaguchi and Tomoo Sakimura, contributing to advancements in their shared field of expertise.

Conclusion

Hiroshi Nakahara's contributions to electrophotography 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 technologies.