Tu X. Mai

Person

Chavannes, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Mechanical-electric energy converter and watch part comprising this...
- Patent number 6,041,022
- Issue date Mar 21, 2000
- Patek Philippe S.A.
- Mai Xuan Tu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for feeding a single-phase stepping motor
- Patent number 5,774,426
- Issue date Jun 30, 1998
- Detra SA
- Mai Xuan Tu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of feeding a single-phase stepping motor
- Patent number 5,504,408
- Issue date Apr 2, 1996
- Detra SA
- Mai X. Tu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inductive proximity sensor with periodic switching for sensing the...
- Patent number 5,498,958
- Issue date Mar 12, 1996
- Detra SA
- Mai X. Tu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driving device for timepieces
- Patent number 5,400,303
- Issue date Mar 21, 1995
- Detra SA
- Mai X. Tu
- G04 - HOROLOGY
Information Patent Grant
Method of supplying power to a single phase step motor
- Patent number 5,247,235
- Issue date Sep 21, 1993
- Detra SA
- Mai X. Tu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and circuit for feeding a single-phase stepping motor
- Patent number 5,166,590
- Issue date Nov 24, 1992
- Detra SA
- Mai X. Tu
- G04 - HOROLOGY
Information Patent Grant
Multipolar stepping motor
- Patent number 5,051,633
- Issue date Sep 24, 1991
- Scholer; Matthias
- Mai X. Tu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stepping motor
- Patent number 4,329,601
- Issue date May 11, 1982
- Societe Suisse pour l'Industrie Horlogere Management Services S.A.
- Tu X. Mai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ESCAPEMENT DEVICE FOR A TIMEPIECE
- Publication number 20250021050
- Publication date Jan 16, 2025
- ROLEX S.A.
- Fabiano COLPO
- G04 - HOROLOGY
Information Patent Application
ESCAPEMENT DEVICE FOR A TIMEPIECE
- Publication number 20250021049
- Publication date Jan 16, 2025
- ROLEX S.A.
- Fabiano COLPO
- G04 - HOROLOGY

Person

Patents Grantslast 30 patents

Mechanical-electric energy converter and watch part comprising this...

Method and device for feeding a single-phase stepping motor

Method of feeding a single-phase stepping motor

Inductive proximity sensor with periodic switching for sensing the...

Driving device for timepieces

Method of supplying power to a single phase step motor

Method and circuit for feeding a single-phase stepping motor

Multipolar stepping motor

Stepping motor

Patents Applicationslast 30 patents

ESCAPEMENT DEVICE FOR A TIMEPIECE

ESCAPEMENT DEVICE FOR A TIMEPIECE