Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321542 | Method for cleaning pipe and pipe cleaning apparatus for refrigerating apparatus | Takeo Ueno, Masaaki Takegami, Masaki Yamamoto | 2001-11-27 |
| 6279330 | Apparatus and method for cleaning pipes of refrigerating unit | Takeo Ueno, Masaaki Takegami | 2001-08-28 |
| 6263691 | Refrigerant recovering apparatus and refrigerant recovering method | Takeo Ueno, Masaaki Takegami | 2001-07-24 |