Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468394 | Method of preventing over-adhesion of paper onto press roll of paper machine | Hiroshi Sekiya | 2002-10-22 |
| 6454901 | Method of making quality crepe paper | Hiroshi Sekiya | 2002-09-24 |