Tatsuya Wakatsuki

Title: Tatsuya Wakatsuki and a Porous Hydroxyapatite Bone Substitute.

Introduction

Tatsuya Wakatsuki is an inventor associated with TDK Corporation in Tokyo, Japan. His patent work includes a porous hydroxyapatite material designed for use as an artificial bone substitute.

Latest Patents

Wakatsuki’s listed patent, “Porous Hydroxyapatite Material for Artificial Bone Substitute,” describes sintered microporous hydroxyapatite for filling bone defects or forming shaped prosthetic members. The material features open micropores measuring 0.01 to 0.10 mm in diameter and a porosity of 20 to 50 percent. For granular filling material, the patent specifies particle sizes of 0.1 to 2.0 mm. Shaped prosthetic members may also include larger pores, measuring 0.2 to 2.0 mm, throughout the matrix. To improve bending strength, the patent describes a core-and-crust structure made from the microporous material.

Wakatsuki is credited with 1 patent in the information provided.

Career Highlights

Wakatsuki’s listed invention applies materials engineering to a biomedical need: replacing or filling portions of bone. The patent outlines different material forms and structures for potential use as granular fillers or shaped prosthetic substitutes.

Collaborations

The provided information identifies Hiroyasu Noma and Shoichi Wakabayashi as Wakatsuki’s coworkers. It does not specify their roles in the patent or describe particular collaborative contributions.

Conclusion

Tatsuya Wakatsuki’s listed patent presents porous hydroxyapatite as a versatile artificial bone substitute, with material structures tailored to filling bone defects and forming prosthetic members.