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Inventor

SUGIYAMA MASAHIDE

JP15 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA MASAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOMOEGAWA CO LTD

9 patents

MITSUBISHI ENG PLASTICS CORP

2 patents

SAGAMI CHEM RES

1 patent

MITSUBISHI GAS CHEMICAL CO

1 patent

TOMOEGAWA PAPER CO LTD

1 patent

TOPPAN INC

1 patent