Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768082 | Parts welding device | Yoshitaka Aoyama | 2004-07-27 |
| 6706991 | Welding method and welding system for projection bolt | Yoshitaka Aoyama | 2004-03-16 |
| 6653590 | Projection bolt welding device | Yoshitaka Aoyama | 2003-11-25 |
| 6644382 | Casting sand shake-out method and its apparatus | Yoshitaka Aoyama | 2003-11-11 |
| 6607067 | Method and device for part transportation | Yoshitaka Aoyama | 2003-08-19 |
| RE37120 | Parts send-out control device for vibratory parts feeder | Yoshitaka Aoyama | 2001-04-03 |
| 6163004 | Method of welding projection nut and apparatus therefor | Yoshitaka Aoyama | 2000-12-19 |
| 6008463 | Resistance welding electrode with guide pin | Yoshitaka Aoyama | 1999-12-28 |
| 5798494 | Welding apparatus | Yoshitaka Aoyama | 1998-08-25 |
| 5705784 | Electrode for electric resistance welding | Yoshitaka Aoyama | 1998-01-06 |
| 5638940 | Parts send-out control device for vibratory parts feeder | Yoshitaka Aoyama | 1997-06-17 |
| 5557841 | Parts feeding device | Yoshitaka Aoyama | 1996-09-24 |
| 5508488 | Method of projection-welding bolts | Yoshitaka Aoyama | 1996-04-16 |