Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359255 | Discharge tube having a double-tube type structure | Koji Kawai, Shigeki Ishihara | 1994-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359255 | Discharge tube having a double-tube type structure | Koji Kawai, Shigeki Ishihara | 1994-10-25 |