Inventor · disambiguated record
Masaharu Nishikawa
Also filed as: NISHIKAWA MASAHARU
65 granted patents·40 pending applications·1,897 citations·filing 1994–2024
99Inventor score
Top patents by PatentIndex Score
105 records- 0198US10849799B2Absorbent pant with advantageously channeled absorbent core structure and bulge-reducing featuresPROCTER & GAMBLE·Filed 2017·Granted Dec 1, 2020·52 cites·17 claims
- 0298US6227322B1Electric vehicle structureNISSAN MOTOR·Filed 1998·Granted May 8, 2001·255 cites·17 claims
- 0397US12075985B2Diaper product adapted for collection of urine sample from an infantPROCTER & GAMBLE·Filed 2021·Granted Sep 3, 2024·5 cites·20 claims
- 0496US11491056B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2020·Granted Nov 8, 2022·3 cites·18 claims
- 0596US6085854ABattery frame structure for electric motorcarNISSAN MOTOR·Filed 1995·Granted Jul 11, 2000·195 cites·9 claims
- 0695US11903803B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2022·Granted Feb 20, 2024·1 cites·20 claims
- 0795US9827149B2Disposable pull-on garmentPROCTER & GAMBLE·Filed 2015·Granted Nov 28, 2017·23 cites·19 claims
- 0895US7901393B2Disposable pull-on garmentPROCTER & GAMBLE·Filed 2005·Granted Mar 8, 2011·175 cites·6 claims
- 0995US5501289AFloor structure of electric vehicleNISSAN MOTOR·Filed 1994·Granted Mar 26, 1996·407 cites·16 claims
- 1093US9226861B2Converting lines and methods for fabricating both taped and pant diapers comprising substantially identical chassisLAVON GARY DEAN·Filed 2012·Granted Jan 5, 2016·60 cites·20 claims
- 1193US9039669B1Disposable pull-on garmentPROCTER & GAMBLE·Filed 2014·Granted May 26, 2015·36 cites·12 claims
- 1293US7910797B2Absorbent articles having a sensation aspectPROCTER & GAMBLE·Filed 2006·Granted Mar 22, 2011·89 cites·2 claims
- 1392US11607350B2Wearable article having elastic beltPROCTER & GAMBLE·Filed 2020·Granted Mar 21, 2023·3 cites·20 claims
- 1492US9072632B2Disposable pull-on garmentPROCTER & GAMBLE·Filed 2013·Granted Jul 7, 2015·34 cites·45 claims
- 1591US11648159B2Absorbent article with absorbent corePROCTER & GAMBLE·Filed 2020·Granted May 16, 2023·2 cites·20 claims
- 1689US12285159B2Diaper product adapted for collection of urine sample from an infantPROCTER & GAMBLE·Filed 2021·Granted Apr 29, 2025·1 cites·20 claims
- 1789US12285322B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2024·Granted Apr 29, 2025·0 cites·10 claims
- 1888US11134925B2Diaper adapted for collection of urine sample from an infantPROCTER & GAMBLE·Filed 2017·Granted Oct 5, 2021·7 cites·17 claims
- 1988US9867741B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2016·Granted Jan 16, 2018·5 cites·22 claims
- 2088US9370453B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2015·Granted Jun 21, 2016·5 cites·9 claims
- 2187US11432974B2Length-to-side silhouettes for boxer brief/boyshort type disposable absorbent articles and arraysPROCTER & GAMBLE·Filed 2018·Granted Sep 6, 2022·7 cites·17 claims
- 2286US10695234B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2017·Granted Jun 30, 2020·3 cites·20 claims
- 2386US5591155ADisposable training pant having improved stretchable side panelsPROCTER & GAMBLE·Filed 1996·Granted Jan 7, 1997·311 cites·1 claims
- 2485US11432973B2Hip-to-side silhouettes for boxer brief type disposable absorbent articles and arraysPROCTER & GAMBLE·Filed 2018·Granted Sep 6, 2022·6 cites·17 claims
- 2584US9532908B2Textured laminate surface, absorbent articles with textured laminate structure, and for manufacturingPROCTER & GAMBLE·Filed 2013·Granted Jan 3, 2017·15 cites·18 claims
- 2683US10292874B2Dual-mode high-waist foldover disposable absorbent pantPROCTER & GAMBLE·Filed 2016·Granted May 21, 2019·6 cites·15 claims
- 2781US11571340B2Taped and pant diapers comprising substantially identical chassisPROCTER & GAMBLE·Filed 2019·Granted Feb 7, 2023·3 cites·1 claims
- 2881US10492962B2Absorbent articles comprising substantially identical chassis and substantially identical flapsPROCTER & GAMBLE·Filed 2016·Granted Dec 3, 2019·5 cites·20 claims
- 2980US10675192B2Absorbent article with advantageously channeled absorbent core structurePROCTER & GAMBLE·Filed 2019·Granted Jun 9, 2020·2 cites·24 claims
- 3080US10376428B2Absorbent pant with advantageously channeled absorbent core structure and bulge-reducing featuresPROCTER & GAMBLE·Filed 2015·Granted Aug 13, 2019·3 cites·15 claims
- 3180US10070997B2Absorbent pant with advantageously channeled absorbent core structure and bulge-reducing featuresPROCTER & GAMBLE·Filed 2015·Granted Sep 11, 2018·4 cites·17 claims
- 3280US9023008B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2013·Granted May 5, 2015·5 cites·6 claims
- 3378US9572728B2Disposable absorbent article with varied distribution of absorbent particulate polymer material and method of making sameASHTON GREGORY·Filed 2009·Granted Feb 21, 2017·13 cites·4 claims
- 3478US8506544B2Disposable absorbent pant with efficient design and convenient single-section side stretch panelsASHTON GREGORY·Filed 2010·Granted Aug 13, 2013·11 cites·16 claims
- 3577US10085894B2Disposable pull-on garmentLAVON GARY DEAN·Filed 2015·Granted Oct 2, 2018·2 cites·11 claims
- 3677US7794441B2Dual cuff for a unitary disposable absorbent article being spaced away from backsheetPROCTER & GAMBLE·Filed 2004·Granted Sep 14, 2010·68 cites·17 claims
- 3776US12318273B2Absorbent article with absorbent corePROCTER & GAMBLE·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 3876US8664467B2Absorbent articles with feedback signal upon urinationROE DONALD CARROLL·Filed 2007·Granted Mar 4, 2014·12 cites·45 claims
- 3975US10918532B2Methods of making elastic belts for absorbent articlesPROCTER & GAMBLE·Filed 2018·Granted Feb 16, 2021·1 cites·5 claims
- 4074US11298273B2Wearable article having elastic beltPROCTER & GAMBLE·Filed 2017·Granted Apr 12, 2022·2 cites·18 claims
- 4173US6997662B2Attachment clip and attachment structure using sameNISSAN MOTOR·Filed 2003·Granted Feb 14, 2006·21 cites·5 claims
- 4272US10898393B2Absorbent article with absorbent corePROCTER & GAMBLE·Filed 2017·Granted Jan 26, 2021·1 cites·20 claims
- 4372US9155670B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2013·Granted Oct 13, 2015·2 cites·6 claims
- 4472US9114046B2Absorbent articles with elastics in multiple layersPROCTER & GAMBLE·Filed 2013·Granted Aug 25, 2015·2 cites·6 claims
- 4572US8057450B2Absorbent article with sensation memberROE DONALD CARROLL·Filed 2007·Granted Nov 15, 2011·9 cites·31 claims
- 4669US10849798B2Disposable pull-on garmentPROCTER & GAMBLE·Filed 2017·Granted Dec 1, 2020·0 cites·22 claims
- 4768US11857401B2Hip-to-side silhouettes for boxer brief type disposable absorbent articles and arraysPROCTER & GAMBLE·Filed 2022·Granted Jan 2, 2024·0 cites·13 claims
- 4868US10624797B2Wearable article having elastic beltPROCTER & GAMBLE·Filed 2017·Granted Apr 21, 2020·1 cites·20 claims
- 4967US9700465B2Disposable absorbent article with elastically contractible cuffs for better containment of liquid exudatesASHTON GREGORY·Filed 2009·Granted Jul 11, 2017·3 cites·17 claims
- 5067US2021069030A1Absorbent Pant With Advantageously Channeled Absorbent Core Structure And Bulge-Reducing FeaturesPROCTER & GAMBLE·Filed 2020·Application pending·0 cites
Showing the top 50 of 105 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masaharu Nishikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →