Inventor

NAGAYAMA HAJIME

JP2 patents

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

UNIV WASEDA

1 patent

US4620931ANov 4, 1986

Three phase fluidized bed water purifying process

UNIV WASEDA41 citations88

ONODA CEMENT CO INC

1 patent

US4540553ASep 10, 1985

Desulfurizing agent

ONODA CEMENT CO INC12 citations64