Inventor · disambiguated record
Seigi Kawarai
Also filed as: KAWARAI SEIGI
16 granted patents·2 pending applications·155 citations·filing 1985–2011
93Inventor score
Top patents by PatentIndex Score
18 records- 0194US7253988B2Recording/reproducing method of magnetic tapeHITACHI MAXELL·Filed 2006·Granted Aug 7, 2007·18 cites·1 claims
- 0290US7170709B2Recording/reproducing method of magnetic tapeHITACHI MAXELL·Filed 2005·Granted Jan 30, 2007·9 cites·2 claims
- 0386US7593177B2Recording/reproducing method of magnetic tapeHITACHI MAXELL·Filed 2007·Granted Sep 22, 2009·5 cites·2 claims
- 0481US9034939B2Primer for ink-jet recordingKITO KATSUYUKI·Filed 2011·Granted May 19, 2015·3 cites·11 claims
- 0581US5252380AAcicular alloy containing magnetic recording mediumHITACHI MAXELL·Filed 1992·Granted Oct 12, 1993·34 cites·12 claims
- 0677US5532042AMagnetic recording mediumHITACHI MAXELL·Filed 1994·Granted Jul 2, 1996·22 cites·12 claims
- 0769US7701655B2Servo signal recording method, servo signal recording apparatus, and magnetic recording mediumHITACHI MAXELL·Filed 2008·Granted Apr 20, 2010·1 cites·7 claims
- 0861US4956220AMagnetic recording mediumHITACHI MAXELL·Filed 1987·Granted Sep 11, 1990·18 cites·8 claims
- 0959US7545597B2Recording/reproducing method of magnetic tapeHITACHI MAXELL·Filed 2006·Granted Jun 9, 2009·0 cites·2 claims
- 1051US5260132AAcicular alloy magnetic powderHITACHI MAXELL·Filed 1991·Granted Nov 9, 1993·21 cites·6 claims
- 1148US4774147AMagnetic recording mediumHITACHI MAXELL·Filed 1985·Granted Sep 27, 1988·10 cites·10 claims
- 1246US4632867AMagnetic recording mediumHITACHI MAXELL·Filed 1985·Granted Dec 30, 1986·6 cites·8 claims
- 1341US5051319AMagnetic recording tape containing low levels of compounds with molecular weights between specified limits determined from gel permeation chromatography of tape extractHITACHI MAXELL·Filed 1990·Granted Sep 24, 1991·5 cites·3 claims
- 1441US2005170214A1Magnetic recording medium and method for producing the sameHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 1540US2006068232A1Magnetic tapeHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 1637US5725943AMagnetic tape cartridgeHITACHI MAXELL·Filed 1994·Granted Mar 10, 1998·3 cites·5 claims
- 1730USRE38048EMagnetic recording mediumHITACHI MAXELL·Filed 1998·Granted Mar 25, 2003·0 cites·39 claims
- 1823US5035947AMagnetic recording medium including magnetic metallic powderHITACHI MAXELL·Filed 1989·Granted Jul 30, 1991·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →