Inventor
AKAHANE HIDEHIRO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “AKAHANE HIDEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
16 patentsUS7403318B2Jul 22, 2008
Image display device, image display method, and image display program
SEIKO EPSON CORP72 citations98
US7167417B2Jan 23, 2007
Time correction system, time correction instruction device, pointer type timepiece, and time correction method
SEIKO EPSON CORP54 citations92
US6476579B1Nov 5, 2002
Pulse motor driving device, pulse motor driving method, timepiece device, and timepiece device control method
SEIKO EPSON CORP22 citations92
US6466518B1Oct 15, 2002
Time measurement device
SEIKO EPSON CORP30 citations92
US6370087B1Apr 9, 2002
Time measurement device and time measurement method
SEIKO EPSON CORP21 citations92
US6038523AMar 14, 2000
Position detector, encoder board, position detecting method, timer and electronic device
SEIKO EPSON CORP51 citations92
US5802016ASep 1, 1998
Electronic watch
SEIKO EPSON CORP50 citations90
US7922333B2Apr 12, 2011
Projector, screen, projector system, and scintillation removing apparatus for removing scintillation on an image display using a vibration generating unit
SEIKO EPSON CORP14 citations84
US6841919B2Jan 11, 2005
Piezoactuator and drive circuit therefor
SEIKO EPSON CORP12 citations84
US6724692B1Apr 20, 2004
Time measurement device and method
SEIKO EPSON CORP15 citations83
USRE40709EMay 12, 2009
Piezoactuator and drive circuit therefor
SEIKO EPSON CORP6 citations74
US6766459B2Jul 20, 2004
Time keeping apparatus and method for controlling the same
SEIKO EPSON CORP8 citations73
US7768688B2Aug 3, 2010
Image display device, image display method, and image display program
SEIKO EPSON CORP2 citations63
US7746530B2Jun 29, 2010
Image display device, image display method, and image display program
SEIKO EPSON CORP2 citations63
US7364352B2Apr 29, 2008
Time measurement device and method
SEIKO EPSON CORP2 citations62
US6353522B1Mar 5, 2002
Switching state detecting device for switch, and electronic apparatus
SEIKO EPSON CORP6 citations62