Inventor · disambiguated record

Ryuzi Haseyama

Also filed as: HASEYAMA RYUZI

2 granted patents·5 citations·filing 1988–1991

48Inventor score

Technology areasC07C C08G

Files withMITSUI TOATSU CHEMICALS2

Top patents by PatentIndex Score

2 records

0139US4937339AProcess for preparing isocyanurate ring-containing materialsMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jun 26, 1990·4 cites·22 claims
0234US5171468AAromatic polyisocyanateMITSUI TOATSU CHEMICALS·Filed 1991·Granted Dec 15, 1992·1 cites·8 claims

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