Inventor
KAMIDE AKIRA
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KAMIDE AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OSAKA BOSUI KENSETSUSHA KK
5 patentsUS4956041ASep 11, 1990
Method of lining branch pipe portion of underground main pipe with rigid plastics tube
OSAKA BOSUI KENSETSUSHA KK21 citations78
US6089276AJul 18, 2000
Method for repairing buried pipe using a metal pipe and method for manufacturing metal pipes that are used in the repairing method
OSAKA BOSUI KENSETSUSHA KK13 citations71
US5108228AApr 28, 1992
Method of lining branch pipe portion of underground main pipe with rigid plastics tube
OSAKA BOSUI KENSETSUSHA KK10 citations70
US5071616ADec 10, 1991
Method of inserting rigid plastic lining tube through pipe
OSAKA BOSUI KENSETSUSHA KK4 citations61
US5293932AMar 15, 1994
Apparatus for cutting off projections inside pipes
OSAKA BOSUI KENSETSUSHA KK2 citations59