Inventor
YOKOYAMA SEIICHIRO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA SEIICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO BOSEKI
10 patentsUS6522463B1Feb 18, 2003
Infrared absorption filter
TOYO BOSEKI40 citations95
US6542292B2Apr 1, 2003
Infrared absorption filter
TOYO BOSEKI30 citations91
US6376093B1Apr 23, 2002
Polyamide film and polyamide laminate film
TOYO BOSEKI26 citations91
US5939205AAug 17, 1999
Gas barrier resin film
TOYO BOSEKI40 citations91
US6603085B2Aug 5, 2003
Transparent conductive film, transparent conductive sheet and touchpanel
TOYO BOSEKI34 citations89
US7666490B1Feb 23, 2010
Functional roll film and vacuum evaporation apparatus capable of producing the functional roll film
TOYO BOSEKI12 citations80
USRE39857ESep 25, 2007
Infrared absorption filter
TOYO BOSEKI5 citations73
US4839701AJun 13, 1989
Hydrogenated amorphous silicon film
TOYO BOSEKI6 citations71
US7754970B2Jul 13, 2010
High frequency electronic part
TOYO BOSEKI4 citations63
USRE39858ESep 25, 2007
Infrared absorption filter
TOYO BOSEKI2 citations62
IDEMITSU KOSAN CO
10 patentsUS5248576ASep 28, 1993
Method of producing color filter using a micellar disruption method
IDEMITSU KOSAN CO37 citations92
US5203974AApr 20, 1993
Process for producing thin films
IDEMITSU KOSAN CO45 citations92
US5378274AJan 3, 1995
Color filter, method for manufacture thereof and liquid crystal projector using said color filter
IDEMITSU KOSAN CO28 citations91
US5041582AAug 20, 1991
Novel ferrocene derivatives, surfactants containing same and process for producing organic thin films
IDEMITSU KOSAN CO21 citations82
US5122247AJun 16, 1992
Process for producing thin films
IDEMITSU KOSAN CO20 citations81
US5185074AFeb 9, 1993
Process for producing color filter
IDEMITSU KOSAN CO14 citations74
US5135637AAug 4, 1992
Eerrocene derivatives, surfactants containing same and process for producing organic thin films
IDEMITSU KOSAN CO12 citations74
US5015748AMay 14, 1991
Novel ferrocene derivatives, surfactants containing same and a process for producing organic thin films
IDEMITSU KOSAN CO10 citations72
US5110964AMay 5, 1992
Process for producing ferrocenoyl derivatives
IDEMITSU KOSAN CO8 citations71
US5169672ADec 8, 1992
Process for producing thin films and color filters
IDEMITSU KOSAN CO18 citations70