Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653868 | Diverter and water purifier having same | Manabu Yanou, Masaaki Okano, Osami Kato | 1997-08-05 |
II
Ikuo Igami
Overall (1997): #138,418 of 185,788Top 75%
1
Patents 1997