Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773941 | Method and device for washing porous workpieces in an impregnation process | Hiromitsu Suganuma, Makoto Otsubo | 1988-09-27 |
KI
Kunio Iijima
Overall (All Time): #3,959,898 of 4,157,543Top 100%
1
Patents All Time