Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811765 | Heating appliance having negative potential treatment function | Takeshi Nakagawa | 1998-09-22 |
| 5173587 | Electric heating appliance | Shigeru Nakano | 1992-12-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811765 | Heating appliance having negative potential treatment function | Takeshi Nakagawa | 1998-09-22 |
| 5173587 | Electric heating appliance | Shigeru Nakano | 1992-12-22 |