Inventor
YAMAKAWA EIJI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKAWA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CO LTD
13 patentsUS7019737B1Mar 28, 2006
Liquid crystal display device, portable electronic device and driving method thereof
MINOLTA CO LTD40 citations93
US6927765B1Aug 9, 2005
Liquid crystal display device and driving method thereof
MINOLTA CO LTD22 citations92
US6888522B1May 3, 2005
Information display apparatus
MINOLTA CO LTD44 citations92
US6697039B1Feb 24, 2004
Information displaying apparatus
MINOLTA CO LTD49 citations92
US6414666B1Jul 2, 2002
Liquid crystal display device and method of driving a liquid crystal display element
MINOLTA CO LTD43 citations92
US6633319B1Oct 14, 2003
Image recording apparatus
MINOLTA CO LTD12 citations74
US6215960B1Apr 10, 2001
Camera with camera-shake detection apparatus
MINOLTA CO LTD6 citations74
US7038648B2May 2, 2006
Method and a device for driving a liquid crystal display, and a liquid crystal display apparatus
MINOLTA CO LTD9 citations73
US6954195B2Oct 11, 2005
Liquid crystal display device having a liquid crystal display driven by interlace scanning and/or sequential scanning
MINOLTA CO LTD8 citations73
US6552756B1Apr 22, 2003
Recording method and recording device using a heat reversible recording medium
MINOLTA CO LTD7 citations73
US7218299B2May 15, 2007
Liquid crystal display apparatus
MINOLTA CO LTD5 citations62
US7145538B2Dec 5, 2006
Liquid crystal display device and method for driving a liquid crystal display
MINOLTA CO LTD2 citations62
US6489983B2Dec 3, 2002
Image recording method and image recording apparatus using the same
MINOLTA CO LTD3 citations54
CASIO COMPUTER CO LTD
10 patentsUS11258292B2Feb 22, 2022
Electronic device, electronic timepiece and battery charging method
CASIO COMPUTER CO LTD2 citations73
US6243259B1Jun 5, 2001
Electronic member and electronic device
CASIO COMPUTER CO LTD11 citations70
US12140909B2Nov 12, 2024
Display apparatus and watch
CASIO COMPUTER CO LTD0 citations62
US11796965B2Oct 24, 2023
Display apparatus and watch
CASIO COMPUTER CO LTD1 citations62
US10824117B2Nov 3, 2020
Electronic device, electronic timepiece, display control method, and storage medium
CASIO COMPUTER CO LTD0 citations52
US9423774B2Aug 23, 2016
Electronic timepiece including light emitting section
CASIO COMPUTER CO LTD0 citations52
US11295686B2Apr 5, 2022
Liquid crystal control circuit, electronic timepiece, and liquid crystal control method
CASIO COMPUTER CO LTD0 citations50
US9523960B2Dec 20, 2016
Illumination device, display apparatus, and timepiece
CASIO COMPUTER CO LTD1 citations42
US10847104B2Nov 24, 2020
Dot matrix display device and time display device
CASIO COMPUTER CO LTD0 citations41
US10783845B2Sep 22, 2020
Liquid crystal control circuit, electronic timepiece, and liquid crystal control method
CASIO COMPUTER CO LTD0 citations40
MINOLTA CAMERA KK
8 patentsUS5220375AJun 15, 1993
Camera having blurring correction apparatus
MINOLTA CAMERA KK45 citations96
US5218442AJun 8, 1993
Camera with camera-shake detection apparatus
MINOLTA CAMERA KK33 citations96
US5420661AMay 30, 1995
Camera with camera-shake detection apparatus
MINOLTA CAMERA KK21 citations93
US5353091AOct 4, 1994
Camera having blurring correction apparatus
MINOLTA CAMERA KK29 citations93
US5365304ANov 15, 1994
Camera with camera-shake detection apparatus
MINOLTA CAMERA KK13 citations82
US5270767ADec 14, 1993
Camera with camera-shake detection apparatus
MINOLTA CAMERA KK11 citations74
US4415246ANov 15, 1983
Focus detecting device
MINOLTA CAMERA KK13 citations72
US4496834AJan 29, 1985
Focus detecting photoelectric device and focus detecting system
MINOLTA CAMERA KK5 citations62