Inventor
YAMADA HISAO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
11 patentsUS6197725B1Mar 6, 2001
Heat-sensitive recording material
FUJI PHOTO FILM CO LTD17 citations84
US7070840B2Jul 4, 2006
Inkjet recording sheet
FUJI PHOTO FILM CO LTD6 citations62
US6348529B1Feb 19, 2002
Guanidine compound and heat sensitive recording material
FUJI PHOTO FILM CO LTD2 citations62
US6346359B1Feb 12, 2002
Pyrrolopyrimidineone compound and heat-sensitive recording material using the same
FUJI PHOTO FILM CO LTD4 citations62
US7011922B2Mar 14, 2006
Thermal recording material
FUJI PHOTO FILM CO LTD6 citations61
US5935757AAug 10, 1999
Heat-sensitive recording material
FUJI PHOTO FILM CO LTD2 citations60
US6890880B2May 10, 2005
Heat-sensitive recording material
FUJI PHOTO FILM CO LTD1 citations51
US6787502B2Sep 7, 2004
Guanidine compound and heat sensitive recording material
FUJI PHOTO FILM CO LTD0 citations51
US6316605B1Nov 13, 2001
Hydrazone dye
FUJI PHOTO FILM CO LTD1 citations51
US5693374ADec 2, 1997
Alpha-resorcyclic acid ester derivatives and recording materials using the same
FUJI PHOTO FILM CO LTD0 citations51
US6864032B2Mar 8, 2005
Method for forming azo colorant using diazo compound and coupler having leaving group and recording material using the coupler
FUJI PHOTO FILM CO LTD0 citations41
TOKAI RIKA CO LTD
5 patentsUS6817100B2Nov 16, 2004
Steering wheel and method for manufacturing steering wheel
TOKAI RIKA CO LTD31 citations92
US5351908AOct 4, 1994
Webbing retractor
TOKAI RIKA CO LTD21 citations92
US6129374AOct 10, 2000
Air bag apparatus
TOKAI RIKA CO LTD17 citations84
US5195693AMar 23, 1993
Tension reducer
TOKAI RIKA CO LTD15 citations74
US6578448B2Jun 17, 2003
Steering wheel
TOKAI RIKA CO LTD8 citations71