Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9583916 | Alumina sintered body and spark plug using the same | Hirofumi Suzuki, Hiroshi Araki | 2017-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9583916 | Alumina sintered body and spark plug using the same | Hirofumi Suzuki, Hiroshi Araki | 2017-02-28 |