Inventor

KAMURO TAKASHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “KAMURO TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO GAS CO LTD

2 patents

US4427480AJan 24, 1984

Method and apparatus for providing the inner surface of a pipe line with a tubular lining material

TOKYO GAS CO LTD61 citations94

US4556580ADec 3, 1985

Method of repairing pipes laid underground

TOKYO GAS CO LTD18 citations69

OHTSUGA HISAO

1 patent

US4346922AAug 31, 1982

Device for preventing leakage at pipe joints

OHTSUGA HISAO67 citations88