Inventor · disambiguated record
Chikafumi Yokoyama
Also filed as: YOKOYAMA CHIKAFUMI
18 granted patents·9 pending applications·840 citations·filing 1996–2008
96Inventor score
Top patents by PatentIndex Score
27 records- 0196US6511739B2Transparent beads and their production method3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jan 28, 2003·96 cites·17 claims
- 0295US6514892B1Transparent beads and their production method3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Feb 4, 2003·108 cites·7 claims
- 0395US6245700B1Transparent microspheres3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jun 12, 2001·109 cites·33 claims
- 0494US6335083B1Transparent beads and their production method3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Jan 1, 2002·104 cites·13 claims
- 0591US6548447B1Catalytic oxidative dehydrogenation process and catalystUNIV MINNESOTA·Filed 1999·Granted Apr 15, 2003·51 cites·19 claims
- 0691US6461988B2Transparent microspheres3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Oct 8, 2002·76 cites·27 claims
- 0790US5905180ACatalytic oxidative dehydrogenation process and catalystUNIV MINNESOTA·Filed 1996·Granted May 18, 1999·49 cites·16 claims
- 0889US6843952B1Method of producing substrate for plasma display panel and mold used in the method3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Jan 18, 2005·25 cites·12 claims
- 0989US6072097ACatalytic oxidative dehydrogenation process and catalystUNIV MINNESOTA·Filed 1998·Granted Jun 6, 2000·48 cites·20 claims
- 1088US6761607B2Apparatus, mold and method for producing substrate for plasma display panel3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jul 13, 2004·26 cites·2 claims
- 1181US6821178B2Method of producing barrier ribs for plasma display panel substrates3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 23, 2004·21 cites·10 claims
- 1280US7288013B2Method of forming microstructures on a substrate and a microstructured assembly used for same3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Oct 30, 2007·15 cites·17 claims
- 1378US7404919B2Flexible mold and method of manufacturing microstructure using the same3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Jul 29, 2008·10 cites·11 claims
- 1478US6537645B1Photosensitive pastes and substrates for plasma display panel using the same3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Mar 25, 2003·16 cites·2 claims
- 1575US6846773B1Catalytic oxidative dehydrogenation process and catalystUNIV MINNESOTA·Filed 1997·Granted Jan 25, 2005·21 cites·10 claims
- 1675US6306948B1Molding composition containing a debinding catalyst for making ceramic microstructures3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Oct 23, 2001·36 cites·8 claims
- 1768US6479417B2Glass-ceramic microspheres that impart yellow color to retroreflected light3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 12, 2002·21 cites·22 claims
- 1866US6699927B2Molding composition containing a debinding catalyst for making ceramic microstructures3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Mar 2, 2004·8 cites·10 claims
- 1963US2011039040A9Method of forming microstructures on a substrate and a microstructured assembly used for same3M INNOVATIVE PROPERTIES CO·Filed 2007·Application pending·0 cites
- 2060US2008246190A1Flexible mold and method of manufacturing microstructure using the same3M INNOVATIVE PROPERTIES CO·Filed 2008·Application pending·0 cites
- 2156US2006113713A1Method of producing substrate for plasma display panel and mold used in the method3M INNOVATIVE PROPERTIES CO·Filed 2006·Application pending·0 cites
- 2246US2005206034A1Transfer mold, production method thereof and production method of fine structureYOKOYAMA CHIKAFUMI·Filed 2005·Application pending·0 cites
- 2346US2004198131A1Method of producing substrate for plasma display panel and mold used in the method3M INNOVATIVE PROPERTIES CO·Filed 2004·Application pending·0 cites
- 2444US2004166760A1Apparatus, mold and method for producing substrate for plasma display panel3M INNOVATIVE PROPERTIES CO·Filed 2004·Application pending·0 cites
- 2539US2007071948A1Method of making barrier partitions and articles3M INNOVATIVE PROPERTIES CO·Filed 2005·Application pending·0 cites
- 2639US2007063649A1Flexible mold and production method thereof, as well as back surface plate for pdp and production method thereofYODA AKIRA·Filed 2003·Application pending·0 cites
- 2738US2005212182A1Flexible mold and method of manufacturing microstructure using sameYOKOYAMA CHIKAFUMI·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →