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Neuchatel, Switzerland

Centre Electronique Horloger S. A.

USPTO Granted Patents = 47

Forward Citations = 1,035

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28 inventors (with patents filed for the assignee):

Eric A Vittoz (11 out of 13 patents)

Christian Piguet (7 out of 26 patents)

Jean W Hermann (6 out of 10 patents)

4. Henri J Oguey (5 out of 8 patents)

5. Jean Fellrath (5 out of 7 patents)

6. Jean-Claude Martin (5 out of 5 patents)

7. Jean-Felix Perotto (4 out of 12 patents)

8. Raymond Vuilleumier (4 out of 10 patents)

9. Bernard Gerber (4 out of 5 patents)

10. Claude Bourgeois (3 out of 6 patents)

11. Hubert Choffat (2 out of 2 patents)

12. Jean Felix Perotto (2 out of 2 patents)

13. Felix Rudolf (2 out of 2 patents)

14. André Perret (1 out of 2 patents)

15. Jean-Michel Mayor (1 out of 5 patents)

47 patents: Sort by Forward Citations

1. 5856765 - Electronic device comprising an integrated time base (1999-01-05),

2. 5630130 - Multi-tasking low-power controller having multiple program counters (1997-05-13),

3. 5566137 - Watch comprising a display arrangement associated with an optical (1996-10-15),

4. 4873465 - 2T-cut piezoelectric resonator using coupled contour modes (1989-10-10),

5. 4680544 - Torsion type magnetic field measurement device (1987-07-14),

6. 4672304 - Reference voltage source (1987-06-09),

7. 4628274 - Amplifier with input drift voltage compensation (1986-12-09),

8. 4584056 - Method of manufacturing a device with micro-shutters and application of (1986-04-22),

9. 4580106 - Differential amplifier with bipolar transistors which is compatible with (1986-04-01),

10. 4564836 - Miniature shutter type display device with multiplexing capability (1986-01-14),

11. 4503353 - Cut angles for tuning fork type quartz resonators (1985-03-05),

12. 4483194 - Accelerometer (1984-11-20),

13. 4450378 - ZT-Cut piezo-electric resonator (1984-05-22),

14. 4435986 - Pressure transducer of the vibrating element type (1984-03-13),

15. 4431929 - CMOS Dynamic amplifier (1984-02-14),

Centre Electronique Horloger S. A. (CEH) is a Swiss company specialized in providing electronic solutions for watchmaking industry. Founded in 1962, CEH has been a pioneer in electronic timekeeping and has developed various innovative electronic components for high-quality watches. With a strong focus on precision and reliability, CEH's electronic solutions have been widely adopted by luxury watch brands worldwide. The company's expertise includes electronic movements, chronometers, and other timekeeping mechanisms. CEH's commitment to excellence and continuous innovation has earned them a reputation as a trusted partner for watch manufacturers in the electronic horology field.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

47 Patents

#5 in Neuchatel

#294 in Switzerland

#14,382 in the World

Neuchatel, Switzerland

Centre Electronique Horloger S. A.

Forward Citations = 1,035

28 inventors:

Eric A Vittoz (11 out of 13 patents)

Christian Piguet (7 out of 26 patents)

Jean W Hermann (6 out of 10 patents)

4. Henri J Oguey (5 out of 8 patents)

5. Jean Fellrath (5 out of 7 patents)

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