Inventor
KOBAYASHI AKIYOSHI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KOBAYASHI AKIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA MACHINE CO LTD
17 patentsUS5728337AMar 17, 1998
Twin screw extruder and an extruding method using the same
TOSHIBA MACHINE CO LTD81 citations96
US10967554B2Apr 6, 2021
Extruder screw having paths within the screw, extruder, and extrusion method
TOSHIBA MACHINE CO LTD17 citations94
US6220745B1Apr 24, 2001
Device and monitoring system for removing liquid from high melting point resin by means of co-rotating twin screw extruder
TOSHIBA MACHINE CO LTD71 citations94
US5804111ASep 8, 1998
Extrusion method for removing volatile contents from solid state resin materials and apparatus therefor
TOSHIBA MACHINE CO LTD52 citations91
US11565440B2Jan 31, 2023
Kneading apparatus with first and second extruders
TOSHIBA MACHINE CO LTD7 citations86
US11400632B2Aug 2, 2022
Extruder screw with conveying portions and barrier portions and extrusion methods using the extruder screw and a plurality of barrel blocks
TOSHIBA MACHINE CO LTD11 citations86
US11400633B2Aug 2, 2022
Extruder screw passages, extruder and extrusion method
TOSHIBA MACHINE CO LTD9 citations86
US11224991B2Jan 18, 2022
Extruder screw having paths within the screw, extruder, and extrusion method
TOSHIBA MACHINE CO LTD11 citations86
US11220022B2Jan 11, 2022
Extruder screw having paths within the screw, extruder, and extrusion method
TOSHIBA MACHINE CO LTD11 citations86
US11072104B2Jul 27, 2021
Screw for extruder comprising a passage crossing over between adjacent cylindrical bodies
TOSHIBA MACHINE CO LTD15 citations86
US11230033B2Jan 25, 2022
Extruder screw including conveyance portions and paths within the conveyance portions, extruder, and extrusion method
TOSHIBA MACHINE CO LTD11 citations85
US11229889B2Jan 25, 2022
Extruder screw with alternately-arranged conveyance portions and extruders and extrusion methods using the extruder screw
TOSHIBA MACHINE CO LTD11 citations85
US11110638B2Sep 7, 2021
Extruder screw having paths within the screw, extruder, and extrusion method
TOSHIBA MACHINE CO LTD11 citations85
US10532492B2Jan 14, 2020
Twin-screw extruder including variable diameter of screws and barrel and kneading method using the twin-screw extruder including variable diameter of screws and barrel
TOSHIBA MACHINE CO LTD2 citations68
US5213010AMay 25, 1993
Driver power transmitting apparatus of twin shaft extruders
TOSHIBA MACHINE CO LTD19 citations66
US11752682B2Sep 12, 2023
Extruder screw having paths within the screw, extruder, and extrusion method
TOSHIBA MACHINE CO LTD0 citations62
US9688001B2Jun 27, 2017
Method of manufacturing transparent resin composition
TOSHIBA MACHINE CO LTD0 citations42
TOYODA MACHINE WORKS LTD
6 patentsUS5027562AJul 2, 1991
Numerically controlled grinding machine for grinding a tapered surface of a workpiece
TOYODA MACHINE WORKS LTD21 citations79
US4367611AJan 11, 1983
Cage slot grinding machine
TOYODA MACHINE WORKS LTD8 citations74
US4118899AOct 10, 1978
Head stock for grinding machine
TOYODA MACHINE WORKS LTD3 citations63
US3971258AJul 27, 1976
Feed mechanism for a machine tool
TOYODA MACHINE WORKS LTD4 citations63
US4090331AMay 23, 1978
Apparatus for preventing circumferential overspeeding of a grinding wheel
TOYODA MACHINE WORKS LTD4 citations62
US4086730AMay 2, 1978
Feed apparatus for table of machine tool
TOYODA MACHINE WORKS LTD3 citations54
MURAKAMI CORP
3 patentsHONDA MOTOR CO LTD
3 patentsSHIBAURA MACHINE CO LTD
3 patentsUS12403628B2Sep 2, 2025
Kneading method for use with kneading apparatus with first and second extruders
SHIBAURA MACHINE CO LTD0 citations62
US11820062B2Nov 21, 2023
Extrusion methods wherein material is guided through a passage crossing over between adjacent cylindrical bodies
SHIBAURA MACHINE CO LTD0 citations62
US11813785B2Nov 14, 2023
Extruder screw having paths within the screw, extruder, and extrusion method
SHIBAURA MACHINE CO LTD0 citations62