Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334842 | Rotary pump with radial yieldable partitions and rotatable side plate | Kenji Osada, Kazumi Doi | 1982-06-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334842 | Rotary pump with radial yieldable partitions and rotatable side plate | Kenji Osada, Kazumi Doi | 1982-06-15 |