Hosiden Electronics Co., Ltd.
175Patents
0Active
175Granted
43Portfolio score
Filing activity: May 3, 1979 → Jul 21, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4393283A | Jack with plug actuated slide switch | Electricity | 111 | Expired |
| US4740782A | Dot-matrix liquid crystal display | Emerging Cross-Sectional Technologies | 108 | Expired |
| US4409442A | Headphone | Electricity | 100 | Expired |
| US4644338A | Dot-matrix liquid crystal display | Emerging Cross-Sectional Technologies | 92 | Expired |
| US4760389A | Transmitting type display device | Physics | 86 | Expired |
| US4948231A | Liquid crystal display device and method of manufacturing the same | Physics | 82 | Expired |
| US4995836A | Pin plug connector | Electricity | 82 | Expired |
| US4978310A | Electrical jack connector | Electricity | 76 | Expired |
| US4456796A | Unidirectional electret microphone | Electricity | 74 | Expired |
| US4952161A | Card connector | Electricity | 71 | Expired |
| US4822142A | Planar display device | Physics | 68 | Expired |
| US4864376A | Thin-film transistor and method of fabricating the same | Electricity | 66 | Expired |
| US4538509A | Automatic bread baking machine | Performing Operations; Transporting | 65 | Expired |
| US4810203A | Electrical connector | Electricity | 64 | Expired |
| US4769713A | Method and apparatus for multi-gradation display | Electricity | 61 | Expired |
| US4849797A | Thin film transistor | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5051101A | Multi-pole connector | Electricity | 58 | Expired |
| US4633048A | Jack with a switch | Electricity | 56 | Expired |
| US4711506A | Socket of electrostatic protection type | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5017156A | Electrical connector | Electricity | 56 | Expired |
| US7080442B2 | Manufacturing method of acoustic sensor | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4548455A | Connector with lock mechanism | Electricity | 55 | Expired |
| USD298931S | Electrical plug | General | 54 | Expired |
| US4445005A | Headphone | Electricity | 50 | Expired |
| US4770498A | Dot-matrix liquid crystal display | Physics | 49 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.