Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498320 | Power supply apparatus for arc-utilizing apparatus | Haruo Moriguchi, Tetsuro Ikeda | 2002-12-24 |
| 6469921 | Power supply apparatus | Toru Arai, Tetsuro Ikeda, Goro Nakano | 2002-10-22 |
| 6433664 | Coil | Toshikazu Fujiyoshi, Masao Katooka | 2002-08-13 |