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Inventor
IGARASHI SEIICHI
2 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RENGO CO LTD
1 patent
US4091167A
May 23, 1978
Method for preparing paper board having improved wet compression strength
RENGO CO LTD
17 citations
70
TAKEDA CHEMICAL INDUSTRIES LTD
1 patent
US3953169A
Apr 27, 1976
Paperboard impregnated with polyurethane resin
TAKEDA CHEMICAL INDUSTRIES LTD
14 citations
68