Inventor
YAMADA KEIKI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KEIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
25 patentsUS8004404B2Aug 23, 2011
Information storage device, information storage program, verification device and information storage method
MITSUBISHI ELECTRIC CORP44 citations94
US7081929B2Jul 25, 2006
Liquid crystal shutter panel, an optical printer head and a method for manufacturing the liquid crystal shutter panel
MITSUBISHI ELECTRIC CORP23 citations92
US5988790ANov 23, 1999
Multiple element printer and method of adjusting thereof
MITSUBISHI ELECTRIC CORP26 citations92
US5274460ADec 28, 1993
Method of and apparatus for rewritable recording and erasing and rewritable recording film
MITSUBISHI ELECTRIC CORP46 citations92
US7587590B2Sep 8, 2009
Encrypted communication apparatus
MITSUBISHI ELECTRIC CORP17 citations84
US6414705B1Jul 2, 2002
Optical printing apparatus
MITSUBISHI ELECTRIC CORP14 citations84
US6303259B1Oct 16, 2001
Heat and light-sensitive recording material and recording method with the same
MITSUBISHI ELECTRIC CORP15 citations83
US6281923B1Aug 28, 2001
Optical print head
MITSUBISHI ELECTRIC CORP11 citations73
US6141065AOct 31, 2000
Optical color printer assembly
MITSUBISHI ELECTRIC CORP7 citations73
US5231505AJul 27, 1993
Rewritable recording display apparatus and method of erasing record
MITSUBISHI ELECTRIC CORP17 citations72
US5131767AJul 21, 1992
Halftone printing system
MITSUBISHI ELECTRIC CORP10 citations72
US7034801B2Apr 25, 2006
Color image display
MITSUBISHI ELECTRIC CORP2 citations63
US6930699B2Aug 16, 2005
Optical printing device
MITSUBISHI ELECTRIC CORP5 citations63
US6697036B2Feb 24, 2004
Liquid crystal control device to provide a uniform display or exposure on a display device
MITSUBISHI ELECTRIC CORP6 citations63
US6690348B2Feb 10, 2004
Transmissive color liquid crystal display
MITSUBISHI ELECTRIC CORP6 citations63
US6545696B1Apr 8, 2003
Optical printing apparatus
MITSUBISHI ELECTRIC CORP4 citations63
US6008830ADec 28, 1999
Serial thermal recording apparatus
MITSUBISHI ELECTRIC CORP5 citations63
US5537138AJul 16, 1996
Recording and erasing system for themoreversible recording medium
MITSUBISHI ELECTRIC CORP6 citations63
US5126757AJun 30, 1992
Multi-gradation image recording apparatus
MITSUBISHI ELECTRIC CORP5 citations63
US7042479B2May 9, 2006
Image enhancement device and image enhancement method of thermal printer
MITSUBISHI ELECTRIC CORP2 citations62
US6504566B1Jan 7, 2003
Optical printing apparatus
MITSUBISHI ELECTRIC CORP5 citations62
US5534906AJul 9, 1996
Electric field assisted thermal recording apparatus
MITSUBISHI ELECTRIC CORP3 citations60
US7949807B2May 24, 2011
Data conversion apparatus and data conversion method
MITSUBISHI ELECTRIC CORP1 citations52
US6031554AFeb 29, 2000
Halftone recording method and apparatus
MITSUBISHI ELECTRIC CORP0 citations52
US7721092B2May 18, 2010
Authenticating device, authenticated device and key updating method
MITSUBISHI ELECTRIC CORP1 citations46
TOPPAN PRINTING CO LTD
5 patentsUS5637551AJun 10, 1997
Reversible thermal recording medium and method of producing same
TOPPAN PRINTING CO LTD2 citations61
US5837646ANov 17, 1998
Reversible thermal recording medium
TOPPAN PRINTING CO LTD0 citations51
US5837647ANov 17, 1998
Reversible thermal recording medium
TOPPAN PRINTING CO LTD0 citations51
US5672559ASep 30, 1997
Reversible thermal recording medium and method of producing the same
TOPPAN PRINTING CO LTD0 citations51
US5658845AAug 19, 1997
Reversible thermal recording medium and method of producing the same
TOPPAN PRINTING CO LTD0 citations51