Daiichi Denshi Kogyo Kabushiki Kaisha
48Patents
0Active
48Granted
35Portfolio score
Filing activity: Jul 15, 1975 → May 27, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5000700A | Interface cable connection | Electricity | 109 | Expired |
| US5224867A | Electrical connector for coaxial flat cable | Electricity | 77 | Expired |
| US5087828A | Timing circuit for single line serial data | Electricity | 74 | Expired |
| US5176533A | Electrical connector | Electricity | 67 | Expired |
| US4780793A | IC card and connector therefor | Electricity | 48 | Expired |
| US5046252A | Cutter for optical fibers | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4690494A | Ferrule holding device for optical fiber connector | Physics | 38 | Expired |
| US4931622A | Electronic card receiving device and ejection mechanism | Physics | 38 | Expired |
| US4650723A | Material for electric contacts | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5240424A | Electrical connector | Electricity | 32 | Expired |
| US4662702A | Electric contacts and electric connectors | Electricity | 26 | Expired |
| US5417583A | Insulation-piercing connector | Electricity | 25 | Expired |
| US5181860A | Electrical connector with rotatable locking ring | Electricity | 24 | Expired |
| US5104334A | Lock piece mounting structure on connector hood | Electricity | 21 | Expired |
| US4797122A | Drip-proof connector | Electricity | 19 | Expired |
| US4843221A | Electronic card receiving device | Physics | 17 | Expired |
| US4671594A | Connector having lock means | Electricity | 16 | Expired |
| US4936793A | Locking device for connector | Electricity | 15 | Expired |
| US4923310A | Distributing connector | Electricity | 15 | Expired |
| US5185837A | Optical fiber connector including flexible fiber holding unit | Physics | 14 | Expired |
| US4773753A | Fiber sensor | Physics | 14 | Expired |
| US4695914A | Electronic card connecting circuit | Physics | 13 | Expired |
| US4592608A | Connector for memory cards | Electricity | 12 | Expired |
| US4741706A | Locked connector | Electricity | 12 | Expired |
| US4168879A | Contact element of an electric connector | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.