Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628618 | Drainage pump with interposed disk | Masayuki Imai, Takashi Endo | 1997-05-13 |
| 5605439 | Drainage pump | Takashi Endoh, Masayuki Imai | 1997-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628618 | Drainage pump with interposed disk | Masayuki Imai, Takashi Endo | 1997-05-13 |
| 5605439 | Drainage pump | Takashi Endoh, Masayuki Imai | 1997-02-25 |