Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Year | Description |
| 1994 | Invention patented by Kazushi Hirota and Katsunari Nishihara on September 8th, 1994. Abstract: An apatite-organic material complex comprising an apatite powder having a crystal particle size of at most 0.5 .mu.m, an organic material and from 5 to 40 wt. % of water. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.