Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832832 | Pressure type slit screen | Ryojiro Katsube | 1989-05-23 |
| 4808445 | Coating apparatus and method | Toshihiro Toyofuku | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832832 | Pressure type slit screen | Ryojiro Katsube | 1989-05-23 |
| 4808445 | Coating apparatus and method | Toshihiro Toyofuku | 1989-02-28 |