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Inventor

SHIGETA SADAAKI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “SHIGETA SADAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINIPPON INK & CHEMICALS

3 patents
US4907956AMar 13, 1990

Apparatus for manufacturing optical information recording medium

DAINIPPON INK & CHEMICALS38 citations89
US4548889AOct 22, 1985

Optical recording medium

DAINIPPON INK & CHEMICALS39 citations87
US4973520ANov 27, 1990

Optical recording medium

DAINIPPON INK & CHEMICALS11 citations71

MITSUBISHI RAYON CO

2 patents
US4320011AMar 16, 1982

Oil-containing waste water treating material consisting of modified active carbon

MITSUBISHI RAYON CO52 citations95
US4313844AFeb 2, 1982

Inorganic ion exchanger

MITSUBISHI RAYON CO9 citations73