Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611826 | Abrasive tape | Katsumi Ryoke, Masaaki Fujiyama | 1997-03-18 |
MS
Masami Sato
Overall (1997): #107,221 of 185,788Top 60%
1
Patents 1997