Inventor
SUMIYA TAKASHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SUMIYA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO CHEMICAL IND LTD
9 patentsUS5380808AJan 10, 1995
Process for producing water-absorbing resins
SANYO CHEMICAL IND LTD176 citations98
US5724915AMar 10, 1998
Material for the treatment of pet excretion and method of producing the same material
SANYO CHEMICAL IND LTD36 citations92
US5668078ASep 16, 1997
Water-absorbent resin particles and the production thereof
SANYO CHEMICAL IND LTD33 citations92
US5384368AJan 24, 1995
Process for producing water absorbent resin
SANYO CHEMICAL IND LTD29 citations92
US6667133B1Dec 23, 2003
Gelating agent for alkaline cell and alkaline cell
SANYO CHEMICAL IND LTD20 citations91
US6303711B1Oct 16, 2001
Water-absorbent or water-retention material and production method thereof
SANYO CHEMICAL IND LTD16 citations90
US6130304AOct 10, 2000
Water-absorbent or water-retention material and production method thereof
SANYO CHEMICAL IND LTD34 citations90
US7470738B2Dec 30, 2008
Non-aqueous absorbent and use thereof
SANYO CHEMICAL IND LTD3 citations57
US7314687B2Jan 1, 2008
Gelling agent for alkaline cell and alkaline cell
SANYO CHEMICAL IND LTD0 citations48
TORAY INDUSTRIES
6 patentsUS4908277AMar 13, 1990
Polyester film
TORAY INDUSTRIES27 citations91
US5698308ADec 16, 1997
Polyester film for use of a laminate with a metal plate
TORAY INDUSTRIES20 citations89
US5051475ASep 24, 1991
Polyester-based film
TORAY INDUSTRIES5 citations72
US5061565AOct 29, 1991
Film for heat-sensitive mimeograph stencil
TORAY INDUSTRIES14 citations71
US5591518AJan 7, 1997
Polyester film for use of a laminate with a metal plate
TORAY INDUSTRIES12 citations70
US5882784AMar 16, 1999
Metal-film laminate
TORAY INDUSTRIES6 citations59