Inventor
TSUJI TOMOHARU
JP8 patents
Patents
8 patentsUS6678629B2Jan 13, 2004
Portable altimeter and altitude computing method
SEIKO INSTR INC163 citations97
US6761064B2Jul 13, 2004
Movement-detecting altimeter
SEIKO INSTR INC145 citations96
US7297088B2Nov 20, 2007
Electronic pedometer
SEIKO INSTR INC45 citations91
US7169084B2Jan 30, 2007
Electronic pedometer
SEIKO INSTR INC47 citations91
US6088301AJul 11, 2000
Electronic timepiece
SEIKO INSTR INC9 citations72
US6567756B1May 20, 2003
Portable pressure measuring apparatus
SEIKO INSTR INC3 citations61
US6557418B2May 6, 2003
Portable pressure measuring apparatus
SEIKO INSTR INC2 citations61
US6820492B2Nov 23, 2004
Pressure measuring apparatus
SEIKO INSTR INC1 citations50