Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319409 | Process for treating waste water containing cutting oil | Masanori Kakemizu | 2001-11-20 |
| 4852033 | Portable apparatus | — | 1989-07-25 |
| 4846536 | Portable apparatus | Katumaru Sasaki | 1989-07-11 |