Inventor · disambiguated record
Ryozo Akiyama
Also filed as: AKIYAMA RYOZO
31 granted patents·37 pending applications·203 citations·filing 1992–2022
96Inventor score
Top patents by PatentIndex Score
68 records- 0196US6959986B2Liquid ink and recording apparatusTOSHIBA KK·Filed 2003·Granted Nov 1, 2005·54 cites·23 claims
- 0295US7500745B2Liquid ink and recording apparatusTOSHIBA TEC KK·Filed 2006·Granted Mar 10, 2009·16 cites·16 claims
- 0394US7803851B2Inkjet inkTOSHIBA TEC KK·Filed 2006·Granted Sep 28, 2010·20 cites·18 claims
- 0493US7125112B2Liquid ink and recording apparatusTOSHIBA KK·Filed 2005·Granted Oct 24, 2006·12 cites·2 claims
- 0592US7108367B2Liquid ink and recording apparatusTOSHIBA KK·Filed 2005·Granted Sep 19, 2006·10 cites·5 claims
- 0687US8361214B2Inkjet aqueous inkTOSHIBA KK·Filed 2010·Granted Jan 29, 2013·4 cites·20 claims
- 0786US10444214B2Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing systemTOSHIBA KK·Filed 2017·Granted Oct 15, 2019·2 cites·18 claims
- 0886US7708821B2Aqueous ink for inkjet recordingTOSHIBA TEC KK·Filed 2008·Granted May 4, 2010·7 cites·19 claims
- 0986US7473720B2Photosensitive inkjet inkTOSHIBA TEC KK·Filed 2006·Granted Jan 6, 2009·6 cites·11 claims
- 1084US7858670B2Photosensitive inkjet inkTOSHIBA TEC KK·Filed 2007·Granted Dec 28, 2010·6 cites·10 claims
- 1183US8226756B2Emulsion type inkjet inkAKIYAMA RYOZO·Filed 2009·Granted Jul 24, 2012·6 cites·19 claims
- 1282US7387380B2Liquid ink and recording apparatusTOSHIBA TEC KK·Filed 2006·Granted Jun 17, 2008·4 cites·4 claims
- 1381US7754785B2Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersionTOSHIBA TEC KK·Filed 2008·Granted Jul 13, 2010·3 cites·11 claims
- 1481US7404852B2Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet inkTOSHIBA TEC KK·Filed 2006·Granted Jul 29, 2008·4 cites·5 claims
- 1580US8133313B2Aqueous inkjet ink and inkjet recording methodAKIYAMA RYOZO·Filed 2009·Granted Mar 13, 2012·5 cites·16 claims
- 1679US9599755B2Lens array and image forming apparatusTOSHIBA TEC KK·Filed 2015·Granted Mar 21, 2017·2 cites·14 claims
- 1777US7896484B2Ink jet recording apparatusTOSHIBA KK·Filed 2008·Granted Mar 1, 2011·2 cites·13 claims
- 1877US2022365076A1Marker and sensing system using the sameTOSHIBA KK·Filed 2022·Application pending·0 cites
- 1972US8403461B2Aqueous inkjet inkHARA TAKAFUMI·Filed 2011·Granted Mar 26, 2013·2 cites·19 claims
- 2072US7417074B2Ink for ink jet and ink jet recording apparatusTOSHIBA TEC KK·Filed 2004·Granted Aug 26, 2008·7 cites·17 claims
- 2172US7375145B2Inkjet inkTOSHIBA TEC KK·Filed 2004·Granted May 20, 2008·9 cites·11 claims
- 2271US2020041494A1Marker and sensing system using the sameTOSHIBA KK·Filed 2019·Application pending·0 cites
- 2369US7579390B2Inkjet ink composition and printed matters created using inkjet ink compositionTOSHIBA TEC KK·Filed 2005·Granted Aug 25, 2009·2 cites·11 claims
- 2469US7425525B2Washing solution for inkjet printer head and washing method using the solutionTOSHIBA TEC KK·Filed 2005·Granted Sep 16, 2008·1 cites·18 claims
- 2567US7439281B2Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersionTOSHIBA TEC KK·Filed 2004·Granted Oct 21, 2008·6 cites·5 claims
- 2664US2018128945A1Lens array and image forming apparatusTOSHIBA TEC KK·Filed 2017·Application pending·0 cites
- 2763US10697950B2Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing systemTOSHIBA KK·Filed 2019·Granted Jun 30, 2020·0 cites·20 claims
- 2862US2017160270A1Marker and sensing system using the sameTOSHIBA KK·Filed 2016·Application pending·0 cites
- 2959US2011122177A1Ink Jet Recording ApparatusTOSHIBA KK·Filed 2011·Application pending·0 cites
- 3058US12025558B2Freshness label with aggregation-induced phosphorTOSHIBA TEC KK·Filed 2020·Granted Jul 2, 2024·0 cites·10 claims
- 3158US9835772B2Lens array and image forming apparatusTOSHIBA TEC KK·Filed 2017·Granted Dec 5, 2017·0 cites·14 claims
- 3257US2016356754A1Food freshness indicating labelTOSHIBA TEC KK·Filed 2016·Application pending·0 cites
- 3356US2009295893A1Inkjet recording method and pretreatment liquid for inkjet recordingTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3454US2015268204A1Food freshness indicating labelTOSHIBA TEC KK·Filed 2015·Application pending·0 cites
- 3553US9229136B2Microlens array unit and image processing apparatusTOSHIBA TEC KK·Filed 2013·Granted Jan 5, 2016·0 cites·8 claims
- 3653US8976422B2Image forming apparatus, lens array and forming method of sameTOSHIBA TEC KK·Filed 2013·Granted Mar 10, 2015·0 cites·21 claims
- 3752US2022246067A1Freshness label structure and freshness labelTOSHIBA TEC KK·Filed 2021·Application pending·0 cites
- 3852US2021140886A1Freshness measurement systemTOSHIBA TEC KK·Filed 2020·Application pending·0 cites
- 3950US7285581B2Processed pigments, pigment-dispersed solution, ink for ink jet, manufacturing method of processed pigments and manufacturing method of pigment-dispersed solutionTOSHIBA TEC KK·Filed 2004·Granted Oct 23, 2007·1 cites·11 claims
- 4047US2014092284A1Light blocking ink, microlens array unit, and image processing apparatusTOSHIBA TEC KK·Filed 2013·Application pending·0 cites
- 4146US2006189716A1Dispersion, inkjet ink, method of manufacturing dispersion, method of manufacturing inkjet ink, and printed matterUSHIROGOUCHI TORU·Filed 2006·Application pending·0 cites
- 4245US5294961ARecording apparatus with two charging units for achieving uniform after-transfer zones distributionTOKYO ELECTRIC CO LTD·Filed 1992·Granted Mar 15, 1994·7 cites·3 claims
- 4345US2013235451A1Lens array, image forming device and method for manufacturing lens arrayTOSHIBA TEC KK·Filed 2013·Application pending·0 cites
- 4445US2013229714A1Lens array, image forming device and method for manufacturing lens arrayTOSHIBA TEC KK·Filed 2013·Application pending·0 cites
- 4544US2011148978A1Inkjet emulsion inkTOSHIBA KK·Filed 2010·Application pending·0 cites
- 4644US2011148977A1Inkjet emulsion inkTOSHIBA KK·Filed 2010·Application pending·0 cites
- 4744US2009295892A1Inkjet recording method and pretreatment liquid for inkjet recordingTOSHIBA KK·Filed 2009·Application pending·0 cites
- 4844US2005090580A1Ink for ink jet recordingTOSHIBA TEC KK·Filed 2004·Application pending·0 cites
- 4943US2017307579A1Amine compound sensing markerTOSHIBA TEC KK·Filed 2017·Application pending·0 cites
- 5043US2011259238A1Aqueous pigment inkTOSHIBA TEC KK·Filed 2011·Application pending·0 cites
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →