Isao Kumano

Title: **Isao Kumano: Innovator in Lithographic Technology**

Introduction

Isao Kumano, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of lithographic technology. With three patents to his name, Kumano is recognized for his innovative solutions that address the limitations of existing technologies. His work has had a substantial impact on the printing industry, specifically in enhancing the efficiency and effectiveness of lithographic printing processes.

Latest Patents

Kumano's most recent patent focuses on developing a lithographic printing plate designed to overcome the shortcomings of conventional zinc oxide master papers. This invention boasts sensitivity suitable for practical use with long wavelength laser light, marking a considerable improvement in lithographic printing techniques. The process involves fabricating a printing plate by charging an electrophotographic plate that includes a photoconductive layer. This layer is created by dispersing a mixture of phthalocyanine pigment and zinc compounds into a binder resin, followed by exposing the plate to create an electrostatic latent image, which is then developed and fixed.

In another notable patent, Kumano introduced an electrophotographic recording medium that integrates a layer of photoconductive material, enhancing sensitivity to longer wavelength light. This innovation signifies a step forward in the capability of electrophotographic materials, making them more versatile and efficient for various applications.

Career Highlights

Throughout his career, Isao Kumano has worked with prominent companies such as Toyo Ink Manufacturing Company and Toppan Printing Co., Ltd. His experience in these organizations has enriched his expertise and has facilitated the development of his groundbreaking inventions, pushing the boundaries of lithographic technology.

Collaborations

Kumano has collaborated with esteemed colleagues, including Manabu Sawada and Tsutomu Naganuma. Working alongside these professionals, he has leveraged their diverse skill sets and insights, fostering a collaborative environment that has led to innovative results in the field of photoconductive materials and electrophotographic systems.

Conclusion

Isao Kumano's contributions to lithographic technology exemplify the importance of innovation in advancing industrial processes. With his impressive portfolio of patents and collaborative efforts with noted professionals, Kumano continues to pave the way for future advancements in electrophotographic technologies, ensuring that the printing industry remains at the forefront of innovation.