Hisasuke Kajihara

Title: Hisasuke Kajihara: Innovator in Toner Technology

Introduction

Hisasuke Kajihara is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of toner technology, holding two patents that showcase his innovative approach to improving toner performance.

Latest Patents

Kajihara's latest patents focus on developing toners with enhanced properties. The first patent describes a toner that exhibits high rub resistance. This toner includes a particle composition that features a binder resin and a calcium carbonate particle. The patent outlines specific criteria for the calcium carbonate particle, including peak intensities and crystallite diameters, which are crucial for achieving the desired toner characteristics. The second patent presents a toner designed to have both low-temperature fixability and hot offset resistance, while also ensuring excellent scratch resistance of a fixed image. This toner comprises a binder resin, a crystalline polyester, and a calcium carbonate particle, with detailed specifications regarding the composition and ratios of these components.

Career Highlights

Hisasuke Kajihara is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to focus on advancing toner technology, contributing to the company's reputation for innovation in the field.

Collaborations

Kajihara collaborates with talented coworkers, including Yuya Chimoto and Kazuhisa Shirayama. Their combined expertise fosters a creative environment that drives the development of cutting-edge toner solutions.

Conclusion

Hisasuke Kajihara's contributions to toner technology reflect his dedication to innovation and excellence. His patents not only enhance the performance of toners but also demonstrate the importance of collaboration in achieving technological advancements.