Inventor · disambiguated record
Tatsuya Iijima
Also filed as: IIJIMA TATSUYA
11 granted patents·112 citations·filing 1988–2021
90Inventor score
Files withSONY CORP4CASIO COMPUTER CO LTD3PILOT CORPORATION KK2SWCC SHOWA DEVICE TECH CO LTD1TAIYO INK MFG CO LTD1
Top patents by PatentIndex Score
11 records- 0177US6773855B1Low-radiation, photocurable and thermosetting resin composition and cured film thereofTAIYO INK MFG CO LTD·Filed 2003·Granted Aug 10, 2004·23 cites·10 claims
- 0274US5091805AApparatus and method for recording and/or reproducing a digital signalSONY CORP·Filed 1988·Granted Feb 25, 1992·16 cites·10 claims
- 0371US11667146B2Writing toolPILOT CORPORATION KK·Filed 2019·Granted Jun 6, 2023·1 cites·11 claims
- 0469US9842681B2Litz wire coilSWCC SHOWA DEVICE TECH CO LTD·Filed 2013·Granted Dec 12, 2017·2 cites·3 claims
- 0567US6172829B1Digital audio tape recording/reproducing apparatus for use with multiple formatsSONY CORP·Filed 1998·Granted Jan 9, 2001·19 cites·29 claims
- 0658US5134529AApparatus and method for recording a digital signalSONY CORP·Filed 1991·Granted Jul 28, 1992·12 cites·4 claims
- 0758US5044251ATimbre setting device for an electronic musical instrumentCASIO COMPUTER CO LTD·Filed 1989·Granted Sep 3, 1991·14 cites·15 claims
- 0853US5018430AElectronic musical instrument with a touch response functionCASIO COMPUTER CO LTD·Filed 1989·Granted May 28, 1991·12 cites·15 claims
- 0948US5177314ATimbre setting device for an electronic musical instrumentCASIO COMPUTER CO LTD·Filed 1991·Granted Jan 5, 1993·10 cites·12 claims
- 1046US12049099B2Projectable and retractable writing toolPILOT CORPORATION KK·Filed 2021·Granted Jul 30, 2024·0 cites·22 claims
- 1139US5067131AApparatus and method for recording and/or reproducing a digital signalSONY CORP·Filed 1990·Granted Nov 19, 1991·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →