Masatada Hirota

Title: Masatada Hirota: Innovator in Electrophotographic Technology

Introduction

Masatada Hirota is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of electrophotographic photosensitive members and related apparatus.

Latest Patents

Hirota's latest patents include innovative designs for electrophotographic photosensitive members, process cartridges, and electrophotographic apparatus. One of his notable inventions involves an electrophotographic photosensitive member that consists of an electroconductive support, a photosensitive layer, and a protection layer. This protection layer is unique as it incorporates an electroconductive particle with a surface containing titanium oxide and a niobium atom. The atomic concentration ratio of the niobium atom to the titanium atom in the titanium oxide is carefully controlled to be between 0.01 to 0.20. Additionally, the electroconductive particle is treated with a compound containing a silicon atom, ensuring optimal performance.

Another significant patent describes an electrophotographic photosensitive member that achieves satisfactory transferability. This member includes a charge generating layer, a charge transporting layer, and a protection layer that is laminated on a support. The protection layer contains a binder resin and particles, with specific thickness and particle diameter ratios that enhance its functionality.

Career Highlights

Masatada Hirota has dedicated his career to advancing electrophotographic technology. His work at Canon Kabushiki Kaisha has positioned him as a key figure in the development of innovative imaging solutions. His patents reflect a deep understanding of material science and engineering principles, contributing to the efficiency and effectiveness of electrophotographic devices.

Collaborations

Hirota has collaborated with notable colleagues such as Shuntaro Watanabe and Tomohito Ishida. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masatada Hirota's contributions to electrophotographic technology are significant and impactful. His innovative patents and collaborative efforts continue to shape the future of imaging technology.