Inventor

KOIBUCHI NOBUTAKA

JP3 patents

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

SHIMIZU CONSTRUCTION CO LTD

2 patents

US4995765AFeb 26, 1991

Method of collecting wastes and system therefor

SHIMIZU CONSTRUCTION CO LTD68 citations91

US4993882AFeb 19, 1991

Waste collection method

SHIMIZU CONSTRUCTION CO LTD27 citations87

TOKYO ROKI KK

1 patent

US4631076ADec 23, 1986

Apparatus for removing carbon particles from exhaust gas from internal combustion engine

TOKYO ROKI KK34 citations89