Inventor · disambiguated record
Osamu Koseki
Also filed as: KOSEKI OSAMU
45 granted patents·9 pending applications·163 citations·filing 1989–2024
97Inventor score
Files withKOSEKI OSAMU18TOYO SEIKAN GROUP HOLDINGS LTD17SII PRINTEK INC13SEIKO INSTR INC4DEPARTMENT OF ELECTRICAL ENGIN1
Top patents by PatentIndex Score
54 records- 0193US8596757B2Liquid jet head and liquid jet apparatus incorporating sameKOSEKI OSAMU·Filed 2011·Granted Dec 3, 2013·8 cites·8 claims
- 0290US8651631B2Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet headKOSEKI OSAMU·Filed 2012·Granted Feb 18, 2014·6 cites·20 claims
- 0388US8419172B2Liquid jet head and liquid jet apparatusKOSEKI OSAMU·Filed 2011·Granted Apr 16, 2013·5 cites·8 claims
- 0484US8585182B2Liquid jet head, liquid jet apparatus, and manufacturing method for the liquid jet headKOSEKI OSAMU·Filed 2010·Granted Nov 19, 2013·4 cites·20 claims
- 0584US7645030B2Ink jet head and ink jet recording apparatusSII PRINTEK INC·Filed 2006·Granted Jan 12, 2010·7 cites·20 claims
- 0683US8714715B2Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet headKOSEKI OSAMU·Filed 2012·Granted May 6, 2014·3 cites·21 claims
- 0782US7604337B2Inkjet head and inkjet recording deviceSII PRINTEK INC·Filed 2006·Granted Oct 20, 2009·6 cites·20 claims
- 0879US8192006B2Liquid-jet head chip, liquid-jet head, and liquid-jet recording apparatusKOSEKI OSAMU·Filed 2009·Granted Jun 5, 2012·5 cites·10 claims
- 0979US8157354B2Head chip, liquid jet head, and liquid jet deviceKOSEKI OSAMU·Filed 2009·Granted Apr 17, 2012·5 cites·10 claims
- 1075US9085164B2Liquid jet head and liquid jet apparatusSII PRINTEK INC·Filed 2012·Granted Jul 21, 2015·2 cites·20 claims
- 1173US8596745B2Liquid jet head and liquid jet apparatusKOSEKI OSAMU·Filed 2011·Granted Dec 3, 2013·2 cites·20 claims
- 1273US5763903AAvalanche photodiode for light detectionSEIKO INSTR INC·Filed 1995·Granted Jun 9, 1998·45 cites·21 claims
- 1371US9021700B2Method of manufacturing liquid jet head, liquid jet head, and liquid jet apparatusSII PRINTEK INC·Filed 2013·Granted May 5, 2015·1 cites·7 claims
- 1470US2024150695A1Method for producing cell culture vessel and cell culture vesselTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2024·Application pending·0 cites
- 1570US2024124821A1Cell culture method, cell culture kit, and cell culture systemTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2023·Application pending·0 cites
- 1668US2024076603A1Cell culture system and method for detecting proliferative property of cellsTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2023·Application pending·0 cites
- 1767US12258548B2Method for producing culture vessel, and culture vesselTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2021·Granted Mar 25, 2025·0 cites·11 claims
- 1867US8556391B2Liquid jet head, liquid ejection apparatus, and manufacturing method for the liquid jet headKOSEKI OSAMU·Filed 2010·Granted Oct 15, 2013·1 cites·20 claims
- 1966US12252676B2Cell culture systemTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2021·Granted Mar 18, 2025·0 cites·9 claims
- 2066US9067413B2Liquid jet head and liquid jet apparatusSII PRINTEK INC·Filed 2013·Granted Jun 30, 2015·1 cites·5 claims
- 2166US2023134478A1Cell culture vessel, method for producing cell culture vessel, method for producing cells, cell culture apparatus, and cell culture jigTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2022·Application pending·0 cites
- 2266US2025145923A1Cell culture system, method for using cell culture system, and cell culture unitTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2022·Application pending·0 cites
- 2365US12391910B2Sphere culture member, culture container, method for processing perforated member, and cleaning containerTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2021·Granted Aug 19, 2025·0 cites·4 claims
- 2465US12351787B2Culture container, culture method, and transportation methodTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2021·Granted Jul 8, 2025·0 cites·7 claims
- 2565US8128207B2Head chip, liquid jet head, liquid jet recording device, and method of manufacturing the head chipKOSEKI OSAMU·Filed 2009·Granted Mar 6, 2012·2 cites·9 claims
- 2665US7976136B2Head chip, liquid jet head, and liquid jet deviceSII PRINTEK INC·Filed 2009·Granted Jul 12, 2011·2 cites·8 claims
- 2765US7909436B2Inkjet head, manufacturing method for the same, and inkjet recording apparatusSII PRINTEK INC·Filed 2008·Granted Mar 22, 2011·2 cites·17 claims
- 2864US5455203AMethod of adjusting the pressure detection value of semiconductor pressure switchesSEIKO INSTR INC·Filed 1993·Granted Oct 3, 1995·17 cites·14 claims
- 2963US9736891B2Induction heating containerTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2013·Granted Aug 15, 2017·2 cites·11 claims
- 3061US12497583B2Adherent cell culture substrate, culture vessel, cell detachment method, and method for producing adherent cell culture substrateTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2022·Granted Dec 16, 2025·0 cites·5 claims
- 3161US2021371805A1Liquid thickness controlling mechanism, culture device, and liquid thickness controlling methodTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2021·Application pending·0 cites
- 3257US8057002B2Method of driving an ink-jet head, ink-jet head, and ink-jet recording apparatusKOSEKI OSAMU·Filed 2008·Granted Nov 15, 2011·1 cites·7 claims
- 3355US7172271B2Ink-jet print head and ink-jet recording apparatusSII PRINTEK INC·Filed 2003·Granted Feb 6, 2007·7 cites·21 claims
- 3455US2022315879A1Adherent cell culture vessel, and method for producing adherent cell culture vesselTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2022·Application pending·0 cites
- 3549US8251502B2Liquid-jet head chip, liquid-jet head, and liquid-jet recording apparatusKOSEKI OSAMU·Filed 2009·Granted Aug 28, 2012·0 cites·19 claims
- 3646US10330585B2Device for countingTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2015·Granted Jun 25, 2019·0 cites·5 claims
- 3746US7934812B2Inkjet head chip, driving method for inkjet head chip, inkjet head, and inkjet recording apparatusSII PRINTEK INC·Filed 2009·Granted May 3, 2011·0 cites·17 claims
- 3845US7950781B2Inkjet head chip, manufacturing method for inkjet head chip, inkjet head, and inkjet recording apparatusSII PRINTEK INC·Filed 2009·Granted May 31, 2011·0 cites·17 claims
- 3944US8282192B2Head chip unit and method of producing the same, inkjet head, and inkjet printerKOSEKI OSAMU·Filed 2008·Granted Oct 9, 2012·0 cites·23 claims
- 4043US10450541B2Cell culture apparatusTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2015·Granted Oct 22, 2019·0 cites·10 claims
- 4143US9340024B2Method of manufacturing a liquid jet headKOSEKI OSAMU·Filed 2012·Granted May 17, 2016·0 cites·18 claims
- 4243US8827429B2Method of manufacturing liquid jet head, liquid jet head, and liquid jet apparatusKOSEKI OSAMU·Filed 2012·Granted Sep 9, 2014·0 cites·15 claims
- 4342US9010907B2Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet headSII PRINTEK INC·Filed 2012·Granted Apr 21, 2015·0 cites·21 claims
- 4442US8985745B2Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet headSII PRINTEK INC·Filed 2012·Granted Mar 24, 2015·0 cites·14 claims
- 4542US8622527B2Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet headKOSEKI OSAMU·Filed 2011·Granted Jan 7, 2014·0 cites·16 claims
- 4642US6811247B2Ink jet head and ink jet recording apparatusSII PRINTEK INC·Filed 2003·Granted Nov 2, 2004·2 cites·6 claims
- 4742US5869893ASemiconductor device having a trapezoidal joint chipSEIKO INSTR INC·Filed 1997·Granted Feb 9, 1999·9 cites·11 claims
- 4840US8480210B2Liquid jet head, liquid jet apparatus, and manufacturing method for the liquid jet headKOSEKI OSAMU·Filed 2011·Granted Jul 9, 2013·0 cites·8 claims
- 4940US2018298321A1Cell culture deviceTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2016·Application pending·0 cites
- 5039US8702190B2Liquid jet head, liquid jet apparatus, and method of driving a liquid jet headKOSEKI OSAMU·Filed 2011·Granted Apr 22, 2014·0 cites·8 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →