Inventor

KUMADA MAKOTO

JP3 patents

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

HITACHI LTD

2 patents

US4544729AOct 1, 1985

Photo and radiation-sensitive organopolymeric material

HITACHI LTD14 citations72

US7778243B2Aug 17, 2010

Method for DTMF transfer by RTP

HITACHI LTD1 citations45

MITSUI SHIPBUILDING ENG

1 patent

US5476056ADec 19, 1995

Method of forming air layer over immersed surfaces of structure having immersed portions, and structure of coat layer formed over immersed surfaces

MITSUI SHIPBUILDING ENG41 citations87