Inventor
WAKATSUKI AKIRA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “WAKATSUKI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
10 patentsUS4956222ASep 11, 1990
Formable vinyl chloride resin composition for powder molding and method for producing same
SUMITOMO CHEMICAL CO25 citations90
US4861816AAug 29, 1989
Polyvinyl chloride resin composition for powder molding
SUMITOMO CHEMICAL CO31 citations88
US4659764AApr 21, 1987
Polyvinyl chloride resin compositions for molding
SUMITOMO CHEMICAL CO25 citations88
US5246991ASep 21, 1993
Polyvinyl chloride resin composition
SUMITOMO CHEMICAL CO20 citations81
US5677356AOct 14, 1997
Expandable poly (vinyl chloride) resin composition for use in power molding, process for producing the same, and expansion-molded articles using the same
SUMITOMO CHEMICAL CO15 citations73
US5432222AJul 11, 1995
Polyvinyl chloride resin composition for powder molding
SUMITOMO CHEMICAL CO11 citations73
US5321090AJun 14, 1994
Polyvinyl chloride resin powder composition and production thereof
SUMITOMO CHEMICAL CO8 citations73
US5310805AMay 10, 1994
Polyvinyl chloride resin composition for powder molding
SUMITOMO CHEMICAL CO7 citations73
US5036124AJul 30, 1991
Polyvinyl chloride resin composition for powder molding
SUMITOMO CHEMICAL CO10 citations71
US5376707ADec 27, 1994
Polyvinyl chloride resin composition for powder molding and production thereof
SUMITOMO CHEMICAL CO6 citations62