Inventor · Osaka, JP

Takeo Kitayama

31Patents
9h-index
20Co-inventors
71Inventor score

Filing activity: Dec 18, 1992 → Sep 27, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5653534A Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus Performing Operations; Transporting 45 Expired
US6713139B2 Hollow foamed polyolefinic resin container Emerging Cross-Sectional Technologies 35 Expired
US5506029A Fiber reinforced thermoplastic resin shaped article Emerging Cross-Sectional Technologies 20 Expired
US6824863B1 Fiber reinforced polypropylene-based composite material Emerging Cross-Sectional Technologies 19 Expired
US5356588A Method for forming a fiber reinforced thermoplastic resin shaped article Emerging Cross-Sectional Technologies 17 Expired
US5756017A Method of simulating resin behavior in press molding Performing Operations; Transporting 14 Expired
US5820813A Method for producing multilayer molded article Performing Operations; Transporting 13 Expired
US5783132A Process for producing a fiber-reinforced thermoplastic resin molded article Emerging Cross-Sectional Technologies 10 Expired
US5431366A See-through concrete form Fixed Constructions 9 Expired
US6660195B2 Process for producing a skin material-laminated foamed thermoplastic resin molding Emerging Cross-Sectional Technologies 8 Expired
US6159408A Molded article made of fiber-reinforced thermoplastic material and process for producing the same Performing Operations; Transporting 7 Expired
US6520759B2 Manufacturing device of foamed thermoplastic resin sheet Performing Operations; Transporting 7 Expired
US6579488B1 Process for producing a thermoplastic resin molded article Performing Operations; Transporting 5 Expired
US6790020B2 System for producing foamed article, a molten resin preparing apparatus and a molding apparatus for use in foamed article production system Emerging Cross-Sectional Technologies 5 Expired
US6685875B2 Foamed thermoplastic resin molding and process for producing the same Performing Operations; Transporting 4 Expired
US6294123A Metal mold for producing a synthetic resin molded product Performing Operations; Transporting 4 Expired
US5795510A Method of press-molding thermoplastic resins Performing Operations; Transporting 4 Expired
US6616879B1 Methods for producing multilayer molded articles Performing Operations; Transporting 4 Expired
US5562878A Process for producing skin material laminated hollow molded article using fluid ejection pin Performing Operations; Transporting 3 Expired
US6548577B2 Wood-filled thermoplastic resin composition and a process for producing the same Chemistry; Metallurgy 3 Expired
US6815047B1 Foamed thermoplastic resin sheet and manufacturing method of the same Emerging Cross-Sectional Technologies 3 Expired
US6202947A Discharge device for mixing and discharging solids of thermoplastic substance and fibers and plasticizing device having this device Performing Operations; Transporting 3 Expired
US5525285A Process for producing concrete form made of thermoplastic resin Fixed Constructions 2 Expired
US6811388B2 Mold clamping unit and injection molding apparatus Performing Operations; Transporting 2 Expired
US6497838B2 Process for producing a hollow foamed polyolefinic resin container Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.