Ebauches, S.A.
138Patents
0Active
138Granted
41Portfolio score
Filing activity: Jan 18, 1974 → Apr 26, 1982
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4231641A | Electro-optic device | Physics | 99 | Expired |
| US4379642A | Apparatus for the selection or correction of data in an electronic watch | Physics | 93 | Expired |
| US4257117A | Electronic watch with touch-sensitive keys | Electricity | 91 | Expired |
| US4355380A | Electronic timepiece with auxiliary digital display | Physics | 68 | Expired |
| US4183628A | Electronic watch and display device for such watch | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4384232A | Grooved-electrode piezoelectric resonator | Electricity | 66 | Expired |
| US4068295A | Voltage multiplier for an electronic time apparatus | Physics | 62 | Expired |
| US4118111A | Electro-optic passive display device and method for its manufacture | Physics | 53 | Expired |
| US4362961A | Encapsulated piezoelectric resonator device | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4379244A | Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4364669A | Chronographic watch | Physics | 37 | Expired |
| US3993985A | Indicator for the condition of a battery operating a timepiece | Physics | 37 | Expired |
| US4291266A | Device for charging an accumulator from an electrical energy source more particularly for an electronic watch | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4257113A | Electromechanical calendar timepiece | Physics | 28 | Expired |
| US4371821A | Electromagnetic motor rotatable in either direction | Electricity | 27 | Expired |
| US3943696A | Control device for setting a timepiece | Physics | 27 | Expired |
| US4277144A | Electro-optic passive display cell | Physics | 24 | Expired |
| US4134057A | Device for enabling an accumulator to be recharged from a source of electrical energy | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4376715A | Composition based on liquid crystal for electro-optical device | Chemistry; Metallurgy | 21 | Expired |
| US4311923A | Device for regulating the threshold voltages of I.G.F.E.T. transistors circuitry | Electricity | 20 | Expired |
| US4361790A | Electromagnetic motor rotatable in either direction | Electricity | 19 | Expired |
| US4139793A | Integral resonant support arms for piezoelectric microresonators | Electricity | 18 | Expired |
| US4500213A | Ultra-flat self-winding watch | Physics | 17 | Expired |
| US4165394A | Method of preparation of a substrate made of plastic material for its subsequent metallization | Performing Operations; Transporting | 17 | Expired |
| US4044242A | Data selection and display arrangement for a small device | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.