Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238574 | Method and apparatus having reverse osmosis membrane for concentrating solution | Norihiro Kawashima, Ken Yasukuni, Koichi Tada | 1993-08-24 |
NM
Naoki Masa
Overall (All Time): #3,831,441 of 4,157,543Top 95%
1
Patents All Time