Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498320 | Power supply apparatus for arc-utilizing apparatus | Tetsuro Ikeda, Hideo Ishii | 2002-12-24 |
| 6483687 | Power supply apparatus | Masao Katooka, Toru Arai | 2002-11-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498320 | Power supply apparatus for arc-utilizing apparatus | Tetsuro Ikeda, Hideo Ishii | 2002-12-24 |
| 6483687 | Power supply apparatus | Masao Katooka, Toru Arai | 2002-11-19 |