Inventor · disambiguated record
Yoshimasa Yokoyama
Also filed as: YOKOYAMA YOSHIMASA
35 granted patents·569 citations·filing 1977–2018
97Inventor score
Files withCASIO COMPUTER CO LTD12HITACHI SHIPBUILDING ENG CO6HITACHI LTD5YOKOYAMA YOSHIMASA3HITACHI AMERICA LTD2
Top patents by PatentIndex Score
35 records- 0193US6132349AFold construction of corrugated fiberboardHITACHI SHIPBUILDING ENG CO·Filed 1996·Granted Oct 17, 2000·95 cites·8 claims
- 0286US6396506B1Display operation method to change the number of images to be displayed and to independently change image direction and rotation of each imageHITACHI LTD·Filed 1996·Granted May 28, 2002·83 cites·10 claims
- 0386US5808704ARear projection type image display apparatusHITACHI LTD·Filed 1995·Granted Sep 15, 1998·33 cites·13 claims
- 0485USD431232SLiquid crystal display rear projection television receiverHITACHI LTD·Filed 1999·Granted Sep 26, 2000·36 cites·1 claims
- 0582US8920054B2Roll tape and printerCASIO COMPUTER CO LTD·Filed 2013·Granted Dec 30, 2014·3 cites·12 claims
- 0680US4669986AWriting training deviceYOKOYAMA YOSHIMASA·Filed 1985·Granted Jun 2, 1987·49 cites·8 claims
- 0776USD693938SLiquid chromatograph analyzerMATOBA KOSUKE·Filed 2012·Granted Nov 19, 2013·21 cites·1 claims
- 0875USD436979SLiquid crystal video projectorHITACHI LTD·Filed 1999·Granted Jan 30, 2001·19 cites·1 claims
- 0974USD463431SDisplay deviceHITACHI LTD·Filed 2001·Granted Sep 24, 2002·22 cites·1 claims
- 1071USD440950STelevision housingHITACHI HOME ELECTRONICS AMERI·Filed 2000·Granted Apr 24, 2001·20 cites·1 claims
- 1164USD294061STank for a battery-operated sprayerKYUSYU HITACHI MAXELL LTD·Filed 1985·Granted Feb 2, 1988·11 cites·1 claims
- 1261US4126958AFumigator for mosquito coilYOKOYAMA YOSHIMASA·Filed 1977·Granted Nov 28, 1978·18 cites·4 claims
- 1360US9020260B2Image processing apparatus, image processing method and recording mediumYOKOYAMA YOSHIMASA·Filed 2012·Granted Apr 28, 2015·1 cites·7 claims
- 1460US5030510AFreshness preservative packing material for foodstuffs and method of fixing the freshness preservative substance onto the packing materialNIPPON DANBOHRU CO LTD·Filed 1989·Granted Jul 9, 1991·23 cites·5 claims
- 1558US7938588B2Thermal printer having first and second ring-like conveyance pathsCASIO COMPUTER CO LTD·Filed 2007·Granted May 10, 2011·1 cites·6 claims
- 1657US10226942B2Printer, method of controlling printer, and storage mediumCASIO COMPUTER CO LTD·Filed 2018·Granted Mar 12, 2019·0 cites·11 claims
- 1757US6199700B1Cushioning material for packagingHITACHI SHIPBUILDING ENG CO·Filed 1998·Granted Mar 13, 2001·25 cites·19 claims
- 1857US4882176AMethod for molding confectionery productsKOYAMA KAZUYA·Filed 1988·Granted Nov 21, 1989·29 cites·5 claims
- 1955US9610665B2Stamping-face plate holderCASIO COMPUTER CO LTD·Filed 2014·Granted Apr 4, 2017·0 cites·13 claims
- 2055US6257412B1Folded cushioning material for packagingHITACHI SHIPBUILDING ENG CO·Filed 1998·Granted Jul 10, 2001·24 cites·11 claims
- 2153USD473532STelevision consoleHITACHI AMERICA LTD·Filed 2002·Granted Apr 22, 2003·7 cites·1 claims
- 2253USD460427STelevision consoleHITACHI AMERICA LTD·Filed 2001·Granted Jul 16, 2002·7 cites·1 claims
- 2352US10633138B2Printing apparatus, printing method and computer-readable mediumCASIO COMPUTER CO LTD·Filed 2018·Granted Apr 28, 2020·0 cites·8 claims
- 2448US6190756B1Hollow connected body and packaging materialHITACHI SHIPBUILDING ENG CO·Filed 1996·Granted Feb 20, 2001·18 cites·39 claims
- 2547US10166802B2Stamp-face platemaking device, medium holder, and medium holder manufacturing methodCASIO COMPUTER CO LTD·Filed 2014·Granted Jan 1, 2019·0 cites·7 claims
- 2645US6254523B1Method of imparting directional permanency of folding to sheet, and apparatus thereforHITACHI SHIPBUILDING ENG CO·Filed 1997·Granted Jul 3, 2001·12 cites·13 claims
- 2742US8870738B2Cardiac function change evaluating deviceTAKATANI SETSUO·Filed 2008·Granted Oct 28, 2014·0 cites·4 claims
- 2837US5450127AImage pickup apparatus for performing exposure control by using one-dimensional image pickup deviceCASIO COMPUTER CO LTD·Filed 1994·Granted Sep 12, 1995·6 cites·2 claims
- 2935USD296929SMassagerKYUSYU HITACHI MAXELL LTD·Filed 1985·Granted Jul 26, 1988·3 cites·1 claims
- 3034USD723596SSheet holder for stamp making machineCASIO COMPUTER CO LTD·Filed 2013·Granted Mar 3, 2015·2 cites·1 claims
- 3131US6129655AMethod of folding and shaping sheet, and apparatus for folding and shaping sheetHITACHI SHIPBUILDING ENG CO·Filed 1997·Granted Oct 10, 2000·1 cites·17 claims
- 3229USD724122SSheet holder for stamp making machineCASIO COMPUTER CO LTD·Filed 2013·Granted Mar 10, 2015·0 cites·1 claims
- 3329USD724123SSheet holder for stamp making machineCASIO COMPUTER CO LTD·Filed 2013·Granted Mar 10, 2015·0 cites·1 claims
- 3429USD723598SSheet holder for stamp making machineCASIO COMPUTER CO LTD·Filed 2013·Granted Mar 3, 2015·0 cites·1 claims
- 3529USD723597SSheet holder for stamp making machineCASIO COMPUTER CO LTD·Filed 2013·Granted Mar 3, 2015·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →