Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820573 | Fiber glass mainly composed of calcium phosphate | Hideo Tagai, Masahiro Kobayashi, Shigeo Niwa, Hiroyasu Takeuchi | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820573 | Fiber glass mainly composed of calcium phosphate | Hideo Tagai, Masahiro Kobayashi, Shigeo Niwa, Hiroyasu Takeuchi | 1989-04-11 |