Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5193560 | Cleaning system using a solvent | Masato Tanaka | 1993-03-16 |
| 5051135 | Cleaning method using a solvent while preventing discharge of solvent vapors to the environment | Masato Tanaka | 1991-09-24 |