Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599420 | Filter bag | Nobuyuki Sugiyama | 2003-07-29 |
| 6443314 | Membrane filtration system | Shin-ichi Waku, Masamichi Tawara, Yuichi Nishimura | 2002-09-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599420 | Filter bag | Nobuyuki Sugiyama | 2003-07-29 |
| 6443314 | Membrane filtration system | Shin-ichi Waku, Masamichi Tawara, Yuichi Nishimura | 2002-09-03 |