Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9452503 | Green ball grinding method, ceramic sphere fabrication method, and grinding apparatus | Yasutake Hayakawa | 2016-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9452503 | Green ball grinding method, ceramic sphere fabrication method, and grinding apparatus | Yasutake Hayakawa | 2016-09-27 |