Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202370 | Method for removing acidic deposit | Shigeru Sakurai | 2012-06-19 |
| 6524397 | Method for removing an acidic deposit | Shigeru Sakurai, Hachiro Hirano, Makoto Yoshida, Hiroaki Noda, Michihiro Kawano | 2003-02-25 |