Inventor
KUMAGAI TAKENORI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI TAKENORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHIMIZU CONSTRUCTION CO LTD
3 patentsUS5062243ANov 5, 1991
Openable roof
SHIMIZU CONSTRUCTION CO LTD36 citations89
US4942698AJul 24, 1990
Openable roof and structure therewith
SHIMIZU CONSTRUCTION CO LTD44 citations89
US4697397AOct 6, 1987
Trussed girder, roof framing using the trussed girder and method of constructing the roof framing of a building using the trussed girder
SHIMIZU CONSTRUCTION CO LTD18 citations67