Inventor · disambiguated record
Masayuki Kawasaki
Also filed as: KAWASAKI MASAYUKI
15 granted patents·1 pending application·187 citations·filing 1984–2022
93Inventor score
Top patents by PatentIndex Score
16 records- 0181US5217313AWriting instrumentPENTEL KK·Filed 1990·Granted Jun 8, 1993·41 cites·4 claims
- 0279US9969205B2Pressure fluctuation buffering mechanism and applicatorV SPARK CO LTD·Filed 2014·Granted May 15, 2018·4 cites·12 claims
- 0366US8678103B2Dozer apparatusMIYUKI SHIGERU·Filed 2009·Granted Mar 25, 2014·10 cites·6 claims
- 0466US8070273B2Ink storage containerKAWASAKI MASAYUKI·Filed 2008·Granted Dec 6, 2011·3 cites·45 claims
- 0563US9796207B2Writing instrumentV SPARK CO LTD·Filed 2013·Granted Oct 24, 2017·1 cites·39 claims
- 0659USD371388SMarkerPENTEL KK·Filed 1995·Granted Jul 2, 1996·10 cites·1 claims
- 0759US5096322ANib for a writing instrumentPENTEL KK·Filed 1990·Granted Mar 17, 1992·22 cites·9 claims
- 0858US4824271ANib for writing instrumentsPENTAL KABUSHIKI KAISHA·Filed 1984·Granted Apr 25, 1989·18 cites·3 claims
- 0954US5587683ABooster circuit deviceTOSHIBA KK·Filed 1994·Granted Dec 24, 1996·27 cites·7 claims
- 1053US5148048ACMOS output circuit having controlled slopeTOSHIBA KK·Filed 1991·Granted Sep 15, 1992·16 cites·4 claims
- 1149US2016068006A1Knock-type applicatorSPARK CO LTD V·Filed 2014·Application pending·0 cites
- 1248US5065057AAnalog signal input circuitTOSHIBA KK·Filed 1990·Granted Nov 12, 1991·15 cites·30 claims
- 1344US11523007B2Image reading system, image reading device, and server deviceSEIKO EPSON CORP·Filed 2022·Granted Dec 6, 2022·0 cites·8 claims
- 1444US5749665AKnock-type liquid applicatorPENTEL KK·Filed 1994·Granted May 12, 1998·11 cites·4 claims
- 1544US5352051AWriting instrumentPENTEL KK·Filed 1992·Granted Oct 4, 1994·9 cites·9 claims
- 1641US9070984B2Mobile communication device and communication control methodKAWASAKI MASAYUKI·Filed 2009·Granted Jun 30, 2015·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →