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, Koichi Tada, Naoki Masa | 1993-08-24 |
KY
Ken Yasukuni
Overall (All Time): #3,831,440 of 4,157,543Top 95%
1
Patents All Time