Inventor
KANAYAMA RYOJI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “KANAYAMA RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SINTOKOGIO LTD
11 patentsUS5682941ANov 4, 1997
Device for producing molds
SINTOKOGIO LTD20 citations91
US5660221AAug 26, 1997
Apparatus and method for producing molds
SINTOKOGIO LTD5 citations72
US5695000ADec 9, 1997
Apparatus for producing molds
SINTOKOGIO LTD13 citations71
US5996678ADec 7, 1999
Apparatus for making mold
SINTOKOGIO LTD3 citations61
US5947185ASep 7, 1999
Method and apparatus for pre-compacting molding sand
SINTOKOGIO LTD5 citations61
US5794681AAug 18, 1998
Molding machine
SINTOKOGIO LTD6 citations61
US4633928AJan 6, 1987
Apparatus for making core from green sand
SINTOKOGIO LTD5 citations61
US4561485ADec 31, 1985
Core making machine for making hollow core
SINTOKOGIO LTD3 citations61
US6591891B2Jul 15, 2003
Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
SINTOKOGIO LTD2 citations58
US5791396AAug 11, 1998
Apparatus and method for producing molds
SINTOKOGIO LTD1 citations51
US6712119B2Mar 30, 2004
Collected sand processing method
SINTOKOGIO LTD1 citations49