Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830747 | Filter apparatus for removing plankton | Misao Kubota, Osamu Sugai, Tetsuo Goto, Kenji Shimada, Kikuo Koizumi | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830747 | Filter apparatus for removing plankton | Misao Kubota, Osamu Sugai, Tetsuo Goto, Kenji Shimada, Kikuo Koizumi | 1989-05-16 |