Inventor · disambiguated record
Hiroshi Ohtsuka
Also filed as: OHTSUKA HIROSHI
21 granted patents·2 pending applications·559 citations·filing 1984–2024
95Inventor score
Files withGRAPHTEC KK4GRAPHTECH CORP3OKI ELECTRIC IND CO LTD3TOSHIBA CERAMICS CO3HONDA MOTOR CO LTD2
Top patents by PatentIndex Score
23 records- 0191US7079379B2Cooling device high voltage electrical unit for motor of vehicle, and hybrid vehicleHONDA MOTOR CO LTD·Filed 2004·Granted Jul 18, 2006·98 cites·9 claims
- 0290US7051825B2Structure for installing high-voltage equipment component to vehicleHONDA MOTOR CO LTD·Filed 2004·Granted May 30, 2006·143 cites·6 claims
- 0389US4962521AApparatus for still picture video telephone apparatus and methods for transmitting and displaying still picture image for use thereinMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Oct 9, 1990·85 cites·10 claims
- 0489US4943994AStill picture picturephone communications systemLUMA TELECOM INC·Filed 1988·Granted Jul 24, 1990·79 cites·8 claims
- 0587US9409438B2Writing instrument with erasing memberMITSUBISHI PENCIL CO·Filed 2012·Granted Aug 9, 2016·5 cites·4 claims
- 0679US4564557AThermoset acrylic resin composition for coating metallic materials and stainless steel coated with the compositionCHISSO CORP·Filed 1985·Granted Jan 14, 1986·42 cites·9 claims
- 0769US9994066B2Erasing implement and writing implement provided with erasing implementMITSUBISHI PENCIL CO·Filed 2013·Granted Jun 12, 2018·1 cites·2 claims
- 0869US9519255B2Label printerGRAPHTEC KK·Filed 2015·Granted Dec 13, 2016·1 cites·8 claims
- 0967US6637629B2Immersion nozzleTOSHIBA CERAMICS CO·Filed 2002·Granted Oct 28, 2003·6 cites·6 claims
- 1063US5062435AHair comb with absorbant padHAPYO YUGEN KAISHA·Filed 1990·Granted Nov 5, 1991·38 cites·7 claims
- 1158US7995812B2X-ray image processing system and method thereofOHTSUKA HIROSHI·Filed 2006·Granted Aug 9, 2011·4 cites·7 claims
- 1253US5342713APhase shifting maskOKI ELECTRIC IND CO LTD·Filed 1991·Granted Aug 30, 1994·12 cites·14 claims
- 1351USD951341SX-Y plotter for cuttingGRAPHTEC KK·Filed 2019·Granted May 10, 2022·4 cites·1 claims
- 1446US5705473ANonionic powdery detergent composition containing an aluminosilicate builder and a silicon-containing oil absorbing carrierKAO CORP·Filed 1994·Granted Jan 6, 1998·11 cites·16 claims
- 1544US4824254AAlignment marks on semiconductor wafers and method of manufacturing the marksOKI ELECTRIC IND CO LTD·Filed 1984·Granted Apr 25, 1989·14 cites·3 claims
- 1643US4640888AAlignment mark on a semiconductor and a method of forming the sameOKI ELECTRIC IND CO LTD·Filed 1985·Granted Feb 3, 1987·13 cites·2 claims
- 1742USD972006SX-Y plotter for cuttingGRAPHTEC KK·Filed 2019·Granted Dec 6, 2022·2 cites·1 claims
- 1840USD1104141SCutting plotterGRAPHTECH CORP·Filed 2024·Granted Dec 2, 2025·0 cites·1 claims
- 1940USD1104140SCutting plotterGRAPHTECH CORP·Filed 2024·Granted Dec 2, 2025·0 cites·1 claims
- 2040USD1104142SCutting plotterGRAPHTECH CORP·Filed 2024·Granted Dec 2, 2025·0 cites·1 claims
- 2140US2003201587A1Submerged nozzle for continuous thin-slab castingTOSHIBA CERAMICS CO·Filed 2003·Application pending·0 cites
- 2236USD977002SX-Y plotter for cuttingGRAPHTEC KK·Filed 2019·Granted Jan 31, 2023·1 cites·1 claims
- 2332US2001040322A1Immersion nozzleTOSHIBA CERAMICS CO·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →