Inventor

SASAKI SEIKO

6 patents

Patents

6 patents

US4386423AMay 31, 1983

Electronic timepiece having multi-functions

SEIKO INSTR & ELECTRONICS5 citations60

US4262346AApr 14, 1981

Multi function electronic timepiece

SEIKO INSTR & ELECTRONICS2 citations60

US4257116AMar 17, 1981

Electronic timepiece

SEIKO INSTR & ELECTRONICS4 citations60

US4468133AAug 28, 1984

Electronic timepiece

SEIKO INSTR & ELECTRONICS2 citations58

US4224789ASep 30, 1980

Electronic timepiece

SEIKO INSTR & ELECTRONICS1 citations50

US4262347AApr 14, 1981

Electronic timepiece

SEIKO INSTR & ELECTRONICS0 citations39