Inventor · disambiguated record
Makoto Ishizuka
Also filed as: ISHIZUKA MAKOTO
23 granted patents·7 pending applications·392 citations·filing 1989–2024
95Inventor score
Files withYAMASHIN FILTER CORP10MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8KUREHA CHEMICAL IND CO LTD5TOCHIGI FUJI SANGYO KK2LI MING1
Top patents by PatentIndex Score
30 records- 0196US5528100AFlat cathode-ray tubeMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 18, 1996·149 cites·8 claims
- 0295US6951627B2Method of drilling holes with precision laser micromachiningMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 4, 2005·69 cites·8 claims
- 0389US6819837B2Method of temporarily adjusting the index of refraction of ring resonator with precision laser micromachiningMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 16, 2004·40 cites·14 claims
- 0486US10272373B2Return filterYAMASHIN FILTER CORP·Filed 2017·Granted Apr 30, 2019·5 cites·7 claims
- 0576US10702810B2Filter deviceYAMASHIN FILTER CORP·Filed 2019·Granted Jul 7, 2020·1 cites·4 claims
- 0673US10525386B2Filter deviceYAMASHIN FILTER CORP·Filed 2018·Granted Jan 7, 2020·1 cites·4 claims
- 0772US6947649B2Method of adjusting the index of refraction of photonic crystals with laser micromachining to tune transmissions within the bandgap and structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 20, 2005·13 cites·26 claims
- 0870US10792597B2Suction strainerYAMASHIN FILTER CORP·Filed 2017·Granted Oct 6, 2020·1 cites·15 claims
- 0970US5008462AMethod for preparing monochloroacetaldehyde trimerKUREHA CHEMICAL IND CO LTD·Filed 1989·Granted Apr 16, 1991·9 cites·13 claims
- 1068US6719110B2Wet type friction clutch and electromagnetic clutchTOCHIGI FUJI SANGYO KK·Filed 2002·Granted Apr 13, 2004·13 cites·15 claims
- 1167US7040130B2Method and apparatus for forming discrete microcavities in a filament wire using microparticlesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 9, 2006·11 cites·20 claims
- 1265US6871523B2Method and apparatus for forming microchannels in a filament wireMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 29, 2005·10 cites·16 claims
- 1365US6060127AMechanically restricted laser depositionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 9, 2000·30 cites·7 claims
- 1464US2025114728A1Fuel filterYAMASHIN FILTER CORP·Filed 2024·Application pending·0 cites
- 1563US5728024ADifferential apparatusTOCHIGI FUJI SANGYO KK·Filed 1996·Granted Mar 17, 1998·19 cites·31 claims
- 1659US6898358B2Adjustable photonic crystal and method of adjusting the index of refraction of photonic crystals to reversibly tune transmissions within the bandgapMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 24, 2005·6 cites·12 claims
- 1756US11465078B2Filter device and filtration apparatusYAMASHIN FILTER CORP·Filed 2019·Granted Oct 11, 2022·0 cites·9 claims
- 1855US2007062918A1Ultrafast laser direct writing method for modifying existing microstructures on a submicron scaleLI MING·Filed 2006·Application pending·0 cites
- 1952US11511934B2Tank deviceYAMASHIN FILTER CORP·Filed 2019·Granted Nov 29, 2022·0 cites·3 claims
- 2051US2020038785A1StrainerYAMASHIN FILTER CORP·Filed 2019·Application pending·0 cites
- 2148US7198961B2Method for modifying existing micro-and nano-structures using a near-field scanning optical microscopeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 3, 2007·8 cites·25 claims
- 2247US10441899B2Filter apparatusYAMASHIN FILTER CORP·Filed 2017·Granted Oct 15, 2019·0 cites·3 claims
- 2342US2005103759A1Precision laser micromachining system for drilling holesFiled 2004·Application pending·0 cites
- 2441US2018229157A1Return filterYAMASHIN FILTER CORP·Filed 2018·Application pending·0 cites
- 2541US2005191771A1Ultrafast laser direct writing method for modifying existing microstructures on a submicron scaleFiled 2004·Application pending·0 cites
- 2640US2004250589A1Method and apparatus for forming discrete microcavities in a filament wireFiled 2003·Application pending·0 cites
- 2735US5274131A2-chloropropionaldehyde trimer and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Dec 28, 1993·1 cites·5 claims
- 2835US5265372AMethod of turf establishment and compositions comprising turfgrass and soilKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Nov 30, 1993·6 cites·2 claims
- 2929US5166368AProcess of producing dichloroacetaldehyde trimerKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Nov 24, 1992·0 cites·1 claims
- 3029US5145988AProcess for producing hydrazone derivativesKUREHA CHEMICAL IND CO LTD·Filed 1991·Granted Sep 8, 1992·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →