Motoko Yokokawa

Title: Motoko Yokokawa: Innovator in Electrophotographic Technology

Introduction

Motoko Yokokawa is a prominent inventor based in Kanagawa, Japan. She has made significant contributions to the field of electrophotographic technology, holding a total of 2 patents. Her work focuses on enhancing the performance and stability of electrophotographic photoreceptors.

Latest Patents

Yokokawa's latest patents include innovative designs for electrophotographic photoreceptors. The first patent describes an electrophotographic photoreceptor that features a high chargeability and low dark decay. This invention comprises an electrically conductive support with a light-sensitive layer containing a charge-generating pigment that has undergone an acid washing treatment to reduce metal impurities to below 500 ppm. The second patent presents an electrophotographic photoreceptor that employs a photosensitive layer, including a binder resin and an organic pigment subjected to an acid pasting treatment. This design maintains the sulfur content of the organic pigment at 500 ppm or less, achieving stable high chargeability and a low dark decay coefficient.

Career Highlights

Motoko Yokokawa has built a successful career at Fuji Xerox Co., Ltd., where she continues to innovate in the field of electrophotography. Her work has been instrumental in advancing the technology used in printers and copiers, contributing to improved efficiency and quality in document reproduction.

Collaborations

Yokokawa has collaborated with notable colleagues, including Masaharu Shirai and Yuichi Yashiki. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in their field.

Conclusion

Motoko Yokokawa's contributions to electrophotographic technology exemplify her dedication to innovation and excellence. Her patents reflect a commitment to improving the performance of photoreceptors, making a lasting impact on the industry.