Inventor · disambiguated record
Yasushi Sayama
Also filed as: SAYAMA YASUSHI
28 granted patents·1 pending application·856 citations·filing 1996–2004
97Inventor score
Top patents by PatentIndex Score
29 records- 0194US5725714AMethod for making components of absorbent undergarmentUNI CHARM CORP·Filed 1996·Granted Mar 10, 1998·102 cites·4 claims
- 0285US5846262ADisposable diaperUNI CHARM CORP·Filed 1996·Granted Dec 8, 1998·55 cites·9 claims
- 0384US6468630B1Elastically stretchable sheetUNI CHARM CORP·Filed 2000·Granted Oct 22, 2002·24 cites·6 claims
- 0474US6921394B2Disposable Absorbent Article With Excrement Receiving PocketUNI CHARM CORP·Filed 2002·Granted Jul 26, 2005·60 cites·5 claims
- 0571US6436083B1Disposable diaperUNI CHARM CORP·Filed 2000·Granted Aug 20, 2002·37 cites·6 claims
- 0667US6869423B2Disposable diaperUNI CHARM CORP·Filed 2002·Granted Mar 22, 2005·31 cites·12 claims
- 0765US5947949ADisposable diaperUNI CHARM CORP·Filed 1997·Granted Sep 7, 1999·112 cites·5 claims
- 0864US7662137B2Disposable diaperUNI CHARM CORP·Filed 2003·Granted Feb 16, 2010·28 cites·20 claims
- 0964US7118557B2Disposable diaperUNI CHARM CORP·Filed 2003·Granted Oct 10, 2006·21 cites·3 claims
- 1064US6685688B2Disposable diaper with side crotch regions and waist region having at least one different direction of stretchabilityUNI CHARM CORP·Filed 2002·Granted Feb 3, 2004·21 cites·1 claims
- 1163US7252658B2Open-type disposable diaperUNI CHARM CORP·Filed 2002·Granted Aug 7, 2007·22 cites·8 claims
- 1263US6248098B1Disposable diaperUNI CHARM CORP·Filed 1998·Granted Jun 19, 2001·88 cites·6 claims
- 1356US7238175B2Disposable diaperUNI CHARM CORP·Filed 2002·Granted Jul 3, 2007·8 cites·8 claims
- 1456US7227051B2Disposable wearing articleUNI CHARM CORP·Filed 2003·Granted Jun 5, 2007·16 cites·4 claims
- 1556US6648867B2Disposable diaper with breathable and liquid-resistant side flapsUNI CHARM CORP·Filed 2000·Granted Nov 18, 2003·14 cites·3 claims
- 1654US6692476B1Disposable diaperUNI CHARM CORP·Filed 2000·Granted Feb 17, 2004·6 cites·3 claims
- 1753US7524312B2Disposable diaperUNI CHARM CORP·Filed 2002·Granted Apr 28, 2009·4 cites·11 claims
- 1853US7160282B2Disposable wearing articleUNI CHARM CORP·Filed 2002·Granted Jan 9, 2007·4 cites·8 claims
- 1952US7582076B2Open-type disposable wearing articleUNI CHARM CORP·Filed 2002·Granted Sep 1, 2009·4 cites·10 claims
- 2051US7749213B2Disposable diaperUNI CHARM CORP·Filed 2003·Granted Jul 6, 2010·1 cites·10 claims
- 2149US6756522B2Disposable diaperUNI CHARM CORP·Filed 2001·Granted Jun 29, 2004·1 cites·4 claims
- 2247US5990376ADisposable absorbent undergarmentUNI CHARM CORP·Filed 1998·Granted Nov 23, 1999·40 cites·7 claims
- 2346US8287511B2Disposable diaperMITSUI KOICHIRO·Filed 2004·Granted Oct 16, 2012·3 cites·20 claims
- 2446US6659993B2Disposable diaperUNI CHARM CORP·Filed 1998·Granted Dec 9, 2003·34 cites·1 claims
- 2546US6648868B2Disposable diaperUNI CHARM CORP·Filed 1998·Granted Nov 18, 2003·39 cites·10 claims
- 2645US6159191ADisposable diaper having leakage preventing wallsUNI CHARM CORP·Filed 1998·Granted Dec 12, 2000·36 cites·5 claims
- 2745US5759181ADisposable diaperUNI CHARM CORP·Filed 1996·Granted Jun 2, 1998·35 cites·4 claims
- 2840US2001003153A1Disposable diaperFiled 2000·Application pending·0 cites
- 2930US6544243B1Disposable diaperUNI CHARM CORP·Filed 1997·Granted Apr 8, 2003·10 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Yasushi Sayama 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 →