Yoshimasa Kumashiro

Title: Innovations of Yoshimasa Kumashiro

Introduction

Yoshimasa Kumashiro is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of materials science and imaging technology. With a total of 2 patents, his work reflects a commitment to advancing innovative solutions in his areas of expertise.

Latest Patents

Kumashiro's latest patents include a method for producing titanium oxide using a porous titanium compound impregnated with a solution. This method provides an alkali metal titanium oxide with a uniform composition, ensuring that there are no residual by-products or unreacted starting materials. The process involves firing the impregnated porous titanium compound particles with an aqueous solution of an alkali metal-containing component. The resulting alkali metal titanium oxide undergoes proton exchange, leading to the production of titanium oxide through a heat processing step.

Another significant patent is his color electrophotographic method, which allows for the stable production of high-quality color images through digital signal processing of image information. This method includes converting a read image signal to a digital signal, performing tone correction on both the photoreceptor and toner color density, and exposing a charged photoreceptor with light modulated according to the signal to form an electrostatic latent image, which is then developed.

Career Highlights

Throughout his career, Kumashiro has worked with prominent organizations such as Ishihara Sangyo Kaisha, Ltd. and the National Institute of Advanced Industrial Science and Technology. His experience in these institutions has contributed to his expertise and innovative capabilities in his field.

Collaborations

Kumashiro has collaborated with notable colleagues, including Hajime Murakami and Hideaki Nagai. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Yoshimasa Kumashiro's contributions to the fields of materials science and imaging technology are noteworthy. His innovative patents demonstrate his commitment to advancing technology and improving processes in his areas of expertise.