|
| US3952498 | 26. Sept. 1974 | 27. Apr. 1976 | Citizen Watch Co., Ltd. | Automatic barrel winding mechanism |
| US6422348 | 29. Aug. 2000 | 23. Juli 2002 | Seiko Instruments Inc. | Transmission wheel, method for manufacturing transmission wheel and self-winding wheel train structure having transmission wheel |
| US6485172 | 29. Aug. 2000 | 26. Nov. 2002 | Seiko Instruments Inc. | Self-winding watch |
| US6934222 | 26. März 2003 | 23. Aug. 2005 | Seiko Epson Corporation | Electronic timepiece including rotary weight and antenna |
| US7158116 | 4. Apr. 2003 | 2. Jan. 2007 | DRB Institute LLC | Rechargeable cordless input and pointing device |
| US7837381 | 30. Mai 2008 | 23. Nov. 2010 | | Mechanical winding device for wristwatches and wristwatch for such a winding device |