Inventor · disambiguated record
Masafumi Hirai
Also filed as: HIRAI MASAFUMI
7 granted patents·1 pending application·113 citations·filing 1994–2015
84Inventor score
Files withLION OFFICE PROD3CATALYST & CHEMICALS IND CO LT1CATALYSTS & CHEM IND CO1DAINIPPON PRINTING CO LTD1MURAGUCHI RYO1
Top patents by PatentIndex Score
8 records- 0182US5789476AFilm-forming coating solution and synthetic resin lensSEIKO EPSON CORP·Filed 1995·Granted Aug 4, 1998·71 cites·19 claims
- 0257US9683108B2Antireflective laminateDAINIPPON PRINTING CO LTD·Filed 2015·Granted Jun 20, 2017·0 cites·4 claims
- 0353US6858294B1Coating fluid for forming hard coating and substrates covered with hard coatingCATALYST & CHEMICALS IND CO LT·Filed 1998·Granted Feb 22, 2005·20 cites·14 claims
- 0447USD366495SEnvelopeLION OFFICE PROD·Filed 1994·Granted Jan 23, 1996·6 cites·1 claims
- 0545US5810498AFastener assembly for a fileLION OFFICE PROD·Filed 1996·Granted Sep 22, 1998·11 cites·7 claims
- 0644USD366674SDocument holderLION OFFICE PROD·Filed 1994·Granted Jan 30, 1996·5 cites·1 claims
- 0742US2006269733A1Antireflection laminateCATALYSTS & CHEM IND CO·Filed 2004·Application pending·0 cites
- 0841US10040943B2Method of producing silica-based particlesMURAGUCHI RYO·Filed 2004·Granted Aug 7, 2018·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →