Company Filing History:
Years Active: 1986
Title: Innovations in Dental Materials by Hiroyasu Tokuda
Introduction
Hiroyasu Tokuda is a notable inventor based in Bizen, Japan. He has made significant contributions to the field of dental materials, particularly through his innovative patent that enhances the aesthetic quality of artificial dental materials.
Latest Patents
Tokuda holds a patent for "Good aesthetic artificial dental materials by calcium phosphate." This invention focuses on dental materials that utilize calcium phosphate glass-ceramics, which closely resemble the color tone of natural teeth. The materials incorporate a calcium phosphate composite, nickel oxide, and various other compounds, including oxides of iron, manganese, cerium, titanium, and tungsten, to achieve the desired coloring. Additionally, aluminum oxide and/or silicon dioxide may be included as color assisting agents. The unique aspect of this invention is that the coloring components are embedded within the crystals of calcium phosphate, ensuring that there is no elution during use, making them ideal for dental applications.
Career Highlights
Hiroyasu Tokuda is associated with Kyushu Refractories Co., Ltd., where he continues to develop and refine innovative dental materials. His work has garnered attention for its potential to improve the quality and aesthetic appeal of dental restorations.
Collaborations
Tokuda has collaborated with notable colleagues, including Akira Watanabe and Yoshimitsu Takeuchi, who have contributed to his research and development efforts in the field of dental materials.
Conclusion
Hiroyasu Tokuda's contributions to dental materials through his innovative patent demonstrate his commitment to enhancing the quality of dental care. His work not only improves the aesthetic aspects of dental restorations but also ensures their functionality and safety.