Inventor
TERASAWA DAI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TERASAWA DAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
16 patentsUS9259182B2Feb 16, 2016
Portable electronic device
SEIKO INSTR INC37 citations94
US6599009B2Jul 29, 2003
Wristwatch case having a rotary bezel
SEIKO INSTR INC29 citations92
US6461125B1Oct 8, 2002
Air pump, air chamber device using air pump, and wristwatch having air chamber device
SEIKO INSTR INC22 citations90
USD746987SJan 5, 2016
Biological information detection device
SEIKO INSTR INC7 citations84
US6748631B2Jun 15, 2004
Hinge assembly and wrist mounting-type electronic apparatus utilizing hinge assembly
SEIKO INSTR INC16 citations82
USD746469SDec 29, 2015
Biological information detection device
SEIKO INSTR INC4 citations73
US9138158B2Sep 22, 2015
Biological information detecting apparatus and fixing structure
SEIKO INSTR INC6 citations73
US10291058B2May 14, 2019
Portable device and portable timepiece
SEIKO INSTR INC6 citations72
US10110072B2Oct 23, 2018
Portable device and portable timepiece
SEIKO INSTR INC3 citations72
US10034500B2Jul 31, 2018
Garment
SEIKO INSTR INC2 citations72
US9131894B2Sep 15, 2015
Biological information detecting device
SEIKO INSTR INC5 citations72
US8792959B2Jul 29, 2014
Biological information detection device
SEIKO INSTR INC4 citations72
US6542441B2Apr 1, 2003
Battery cover structure
SEIKO INSTR INC2 citations62
US6418086B2Jul 9, 2002
Battery lid structure for a timepiece case and a timepiece case
SEIKO INSTR INC3 citations59
US8818480B2Aug 26, 2014
Biological information detection device
SEIKO INSTR INC0 citations51
US9636030B2May 2, 2017
Portable electronic apparatus
SEIKO INSTR INC0 citations41