Inventor · disambiguated record
Keiki Yamada
Also filed as: YAMADA KEIKI
34 granted patents·2 pending applications·315 citations·filing 1990–2006
97Inventor score
Files withMITSUBISHI ELECTRIC CORP25TOPPAN PRINTING CO LTD5FURUKI ICHIROU1MITSUBISHI ELECTEIC CORP1MITSUSHITA DENKI KABUSHIKI KAI1
Top patents by PatentIndex Score
36 records- 0194US8004404B2Information storage device, information storage program, verification device and information storage methodMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Aug 23, 2011·44 cites·26 claims
- 0288US5274460AMethod of and apparatus for rewritable recording and erasing and rewritable recording filmMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 28, 1993·46 cites·5 claims
- 0377US7081929B2Liquid crystal shutter panel, an optical printer head and a method for manufacturing the liquid crystal shutter panelMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jul 25, 2006·23 cites·10 claims
- 0473US7587590B2Encrypted communication apparatusMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Sep 8, 2009·17 cites·12 claims
- 0572US6414705B1Optical printing apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 2, 2002·14 cites·20 claims
- 0670US5231505ARewritable recording display apparatus and method of erasing recordMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jul 27, 1993·17 cites·10 claims
- 0769US5988790AMultiple element printer and method of adjusting thereofMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 23, 1999·26 cites·7 claims
- 0868US6024438AInk jet printerMITSUSHITA DENKI KABUSHIKI KAI·Filed 1996·Granted Feb 15, 2000·27 cites·16 claims
- 0966US6281923B1Optical print headMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 28, 2001·11 cites·19 claims
- 1063US7042479B2Image enhancement device and image enhancement method of thermal printerMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 9, 2006·2 cites·14 claims
- 1162US6930699B2Optical printing deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Aug 16, 2005·5 cites·9 claims
- 1261US6697036B2Liquid crystal control device to provide a uniform display or exposure on a display deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Feb 24, 2004·6 cites·16 claims
- 1360US6545696B1Optical printing apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Apr 8, 2003·4 cites·17 claims
- 1459US7949807B2Data conversion apparatus and data conversion methodMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 24, 2011·1 cites·17 claims
- 1558US6690348B2Transmissive color liquid crystal displayMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Feb 10, 2004·6 cites·19 claims
- 1657US6141065AOptical color printer assemblyMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 31, 2000·7 cites·3 claims
- 1756US6303259B1Heat and light-sensitive recording material and recording method with the sameMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Oct 16, 2001·15 cites·20 claims
- 1855US6504566B1Optical printing apparatusMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jan 7, 2003·5 cites·18 claims
- 1952US5537138ARecording and erasing system for themoreversible recording mediumMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jul 16, 1996·6 cites·15 claims
- 2049US7034801B2Color image displayMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 25, 2006·2 cites·33 claims
- 2146US5131767AHalftone printing systemMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jul 21, 1992·10 cites·11 claims
- 2246US2008258864A1Communication Apparatus and Communication MethodMITSUBISHI ELECTEIC CORP·Filed 2004·Application pending·0 cites
- 2345US8459886B2Printing method and device having first and second printing unitsFURUKI ICHIROU·Filed 2006·Granted Jun 11, 2013·1 cites·20 claims
- 2444US7721092B2Authenticating device, authenticated device and key updating methodMITSUBISHI ELECTRIC CORP·Filed 2004·Granted May 18, 2010·1 cites·6 claims
- 2542US5837348AReversible thermal recording medium and method of producing the sameTOPPAN PRINTING CO INC·Filed 1997·Granted Nov 17, 1998·4 cites·7 claims
- 2639US5637551AReversible thermal recording medium and method of producing sameTOPPAN PRINTING CO LTD·Filed 1996·Granted Jun 10, 1997·2 cites·18 claims
- 2738US6008830ASerial thermal recording apparatusMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Dec 28, 1999·5 cites·9 claims
- 2838US5126757AMulti-gradation image recording apparatusMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jun 30, 1992·5 cites·10 claims
- 2938US2002071132A1Optical printing apparatusFiled 2001·Application pending·0 cites
- 3035US5534906AElectric field assisted thermal recording apparatusMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jul 9, 1996·3 cites·29 claims
- 3132US8422672B2Authenticated device, authenticating device and authenticating methodYAMADA KEIKI·Filed 2004·Granted Apr 16, 2013·0 cites·10 claims
- 3230US6031554AHalftone recording method and apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Feb 29, 2000·0 cites·16 claims
- 3330US5837647AReversible thermal recording mediumTOPPAN PRINTING CO LTD·Filed 1997·Granted Nov 17, 1998·0 cites·6 claims
- 3430US5837646AReversible thermal recording mediumTOPPAN PRINTING CO LTD·Filed 1997·Granted Nov 17, 1998·0 cites·5 claims
- 3530US5672559AReversible thermal recording medium and method of producing the sameTOPPAN PRINTING CO LTD·Filed 1995·Granted Sep 30, 1997·0 cites·11 claims
- 3630US5658845AReversible thermal recording medium and method of producing the sameTOPPAN PRINTING CO LTD·Filed 1995·Granted Aug 19, 1997·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →