Inventor
TANAKA TAKEJI
6 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TAKEJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YUWA SANGYO KK
3 patentsUS4305340ADec 15, 1981
Method of forming a box-shaped structure from a foldable metal sheet
YUWA SANGYO KK47 citations95
US4400929AAug 30, 1983
Apparatus for forming box-shaped covering body
YUWA SANGYO KK14 citations72
US4230058AOct 28, 1980
Method and apparatus for manufacturing box-shaped structure from metal sheet
YUWA SANGYO KK12 citations72