Inventor · disambiguated record
Yuichi Fukushima
Also filed as: FUKUSHIMA YUICHI
21 granted patents·4 pending applications·297 citations·filing 1986–2021
95Inventor score
Files withSHINETSU CHEMICAL CO12NIPPON SEIKI CO LTD2SONY CORP2TERAOKA SEISAKUSHO KK2TOPPAN PRINTING CO LTD2
Top patents by PatentIndex Score
25 records- 0196US7767366B2Photomask blank and photomaskSHINETSU CHEMICAL CO·Filed 2007·Granted Aug 3, 2010·34 cites·23 claims
- 0295US8012654B2Photomask blank and photomaskSHINETSU CHEMICAL CO·Filed 2010·Granted Sep 6, 2011·11 cites·22 claims
- 0395US7771893B2Photomask blank, photomask and fabrication method thereofSHINETSU CHEMICAL CO·Filed 2006·Granted Aug 10, 2010·28 cites·20 claims
- 0494US8003284B2Photomask blank and photomaskSHINETSU CHEMICAL CO·Filed 2010·Granted Aug 23, 2011·9 cites·23 claims
- 0590US7989124B2Photomask blank and photomask making methodTOPPAN PRINTING CO LTD·Filed 2010·Granted Aug 2, 2011·6 cites·19 claims
- 0689US7767367B2Photomask blank and photomask making methodTOPPAN PRINTING CO LTD·Filed 2007·Granted Aug 3, 2010·10 cites·35 claims
- 0789US7691546B2Photomask blank and photomaskSHINETSU CHEMICAL CO·Filed 2005·Granted Apr 6, 2010·10 cites·8 claims
- 0889US6610422B1Coated steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2002·Granted Aug 26, 2003·52 cites·32 claims
- 0989US4779835AMold for transfer moldingSONY CORP·Filed 1986·Granted Oct 25, 1988·61 cites·2 claims
- 1087US7625676B2Photomask blank, photomask and fabrication method thereofSHINETSU CHEMICAL CO·Filed 2005·Granted Dec 1, 2009·13 cites·24 claims
- 1186US7790339B2Photomask blankSHINETSU CHEMICAL CO·Filed 2007·Granted Sep 7, 2010·8 cites·7 claims
- 1286US7618753B2Photomask blank, photomask and method for producing thoseSHINETSU CHEMICAL CO·Filed 2005·Granted Nov 17, 2009·8 cites·20 claims
- 1377US8007964B2Photomask blank and photomaskSHINETSU CHEMICAL CO·Filed 2010·Granted Aug 30, 2011·2 cites·17 claims
- 1472US7556892B2Halftone phase shift mask blank, halftone phase shift mask, and pattern transfer methodSHINETSU CHEMICAL CO·Filed 2005·Granted Jul 7, 2009·3 cites·28 claims
- 1566US10712559B2Display deviceNIPPON SEIKI CO LTD·Filed 2018·Granted Jul 14, 2020·1 cites·7 claims
- 1662US6338799B1Method for recovering phosphate from sludge and system thereforMITSUBISHI MATERIALS CORP·Filed 1999·Granted Jan 15, 2002·29 cites·10 claims
- 1759US7842400B2Surface-treated steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2004·Granted Nov 30, 2010·3 cites·16 claims
- 1857US7598004B2Film-depositing target and preparation of phase shift mask blankSHINETSU CHEMICAL CO·Filed 2005·Granted Oct 6, 2009·0 cites·5 claims
- 1954US2009057143A1Film-depositing target and preparation of phase shift mask blankYOSHIKAWA HIROKI·Filed 2008·Application pending·0 cites
- 2051US7351505B2Phase shift mask blank, phase shift mask, and pattern transfer methodSHINETSU CHEMICAL CO·Filed 2004·Granted Apr 1, 2008·3 cites·9 claims
- 2149US2006073754A1Flame retardant pressure-sensitive adhesive tapeTERAOKA SEISAKUSHO KK·Filed 2005·Application pending·0 cites
- 2248US2023137157A1Flight vehicle and continuity test methodFUKUSHIMA SANGIKYO CORP·Filed 2021·Application pending·0 cites
- 2346US11061229B2Head-up displayNIPPON SEIKI CO LTD·Filed 2018·Granted Jul 13, 2021·0 cites·7 claims
- 2444US2004126574A1Flame retardant pressure-sensitive adhesive tapeTERAOKA SEISAKUSHO KK·Filed 2002·Application pending·0 cites
- 2535US5330349AInjection mold having a cylindrical down gateSONY CORP·Filed 1993·Granted Jul 19, 1994·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →