Inventor
MATSUURA EIICHI
8 patents
Patents
8 patentsUS4012899AMar 22, 1977
Micro motor for a timepiece
SEIKO INSTR & ELECTRONICS8 citations72
US4033111AJul 5, 1977
Electronic watch having antimagnetic characteristic
SEIKO INSTR & ELECTRONICS19 citations71
US4114365ASep 19, 1978
Battery lead plate member for an electronic wrist watch
SEIKO INSTR & ELECTRONICS8 citations69
US3990227ANov 9, 1976
Construction of the stacked base plates for the timepiece
SEIKO INSTR & ELECTRONICS3 citations60
US4109458AAug 29, 1978
Date and day correcting device of a timepiece
SEIKO INSTR & ELECTRONICS5 citations59
US4645356AFeb 24, 1987
Wristwatch
SEIKO INSTR & ELECTRONICS0 citations50
US3934404AJan 27, 1976
Second hand regulating mechanism
SEIKO INSTR & ELECTRONICS1 citations49
US4102123AJul 25, 1978
Bearing for a timepiece train
SEIKO INSTR & ELECTRONICS0 citations37