Inventor · disambiguated record
Kayoko Sugiyama
Also filed as: SUGIYAMA KAYOKO
9 granted patents·1 pending application·196 citations·filing 1992–2002
90Inventor score
Top patents by PatentIndex Score
10 records- 0191US6653362B2Process for producing flexible polyurethane foamASAHI GLASS CO LTD·Filed 2002·Granted Nov 25, 2003·41 cites·9 claims
- 0288US6815467B2Methods for producing a polyol and a polymer dispersed polyolASAHI GLASS CO LTD·Filed 2002·Granted Nov 9, 2004·33 cites·18 claims
- 0385US5721042AElectrostatic information recording mediumDAINIPPON PRINTING CO LTD·Filed 1996·Granted Feb 24, 1998·32 cites·6 claims
- 0483US6313060B1Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereofASAHI GLASS CO LTD·Filed 1999·Granted Nov 6, 2001·41 cites·10 claims
- 0582US5750238AElectrostatic information recording mediumDAINIPPON PRINTING CO LTD·Filed 1996·Granted May 12, 1998·27 cites·7 claims
- 0668US6627576B2Double metal cyanide complex catalyst for ring opening polymerization of alkylene oxide and its production processASAHI GLASS CO LTD·Filed 2002·Granted Sep 30, 2003·8 cites·22 claims
- 0754US5527589AElectrostatic information recording mediumDAINIPPON PRINTING CO LTD·Filed 1992·Granted Jun 18, 1996·7 cites·3 claims
- 0843US5497179ACharge carrier medium and reproduction of electrostatic latent imageDAINIPPON PRINTING CO LTD·Filed 1992·Granted Mar 5, 1996·6 cites·11 claims
- 0938US2002198352A1Curable compositionASAHI GLASS CO LTD·Filed 2002·Application pending·0 cites
- 1031US5635971ARecording medium including latent image charge trap and methods involving sameDAINIPPON PRINTING CO LTD·Filed 1993·Granted Jun 3, 1997·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →