Inventor
YOKOYAMA CHIKAFUMI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA CHIKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
14 patentsUS6245700B1Jun 12, 2001
Transparent microspheres
3M INNOVATIVE PROPERTIES CO109 citations98
US6514892B1Feb 4, 2003
Transparent beads and their production method
3M INNOVATIVE PROPERTIES CO108 citations97
US6511739B2Jan 28, 2003
Transparent beads and their production method
3M INNOVATIVE PROPERTIES CO96 citations97
US6335083B1Jan 1, 2002
Transparent beads and their production method
3M INNOVATIVE PROPERTIES CO104 citations97
US6461988B2Oct 8, 2002
Transparent microspheres
3M INNOVATIVE PROPERTIES CO76 citations96
US6843952B1Jan 18, 2005
Method of producing substrate for plasma display panel and mold used in the method
3M INNOVATIVE PROPERTIES CO25 citations92
US6821178B2Nov 23, 2004
Method of producing barrier ribs for plasma display panel substrates
3M INNOVATIVE PROPERTIES CO21 citations92
US6761607B2Jul 13, 2004
Apparatus, mold and method for producing substrate for plasma display panel
3M INNOVATIVE PROPERTIES CO26 citations92
US6479417B2Nov 12, 2002
Glass-ceramic microspheres that impart yellow color to retroreflected light
3M INNOVATIVE PROPERTIES CO21 citations89
US6306948B1Oct 23, 2001
Molding composition containing a debinding catalyst for making ceramic microstructures
3M INNOVATIVE PROPERTIES CO36 citations89
US7404919B2Jul 29, 2008
Flexible mold and method of manufacturing microstructure using the same
3M INNOVATIVE PROPERTIES CO10 citations84
US6537645B1Mar 25, 2003
Photosensitive pastes and substrates for plasma display panel using the same
3M INNOVATIVE PROPERTIES CO16 citations84
US7288013B2Oct 30, 2007
Method of forming microstructures on a substrate and a microstructured assembly used for same
3M INNOVATIVE PROPERTIES CO15 citations83
US6699927B2Mar 2, 2004
Molding composition containing a debinding catalyst for making ceramic microstructures
3M INNOVATIVE PROPERTIES CO8 citations71
UNIV MINNESOTA
4 patentsUS6548447B1Apr 15, 2003
Catalytic oxidative dehydrogenation process and catalyst
UNIV MINNESOTA51 citations96
US6072097AJun 6, 2000
Catalytic oxidative dehydrogenation process and catalyst
UNIV MINNESOTA48 citations96
US5905180AMay 18, 1999
Catalytic oxidative dehydrogenation process and catalyst
UNIV MINNESOTA49 citations96
US6846773B1Jan 25, 2005
Catalytic oxidative dehydrogenation process and catalyst
UNIV MINNESOTA21 citations92