Inventor · disambiguated record

Sumio Manaka

Also filed as: MANAKA SUMIO

2 granted patents·6 citations·filing 1986–1989

52Inventor score

Technology areasC07D

Files withNIPPON SODA CO1 SHIN NISSO KAKO CO LTD1

Top patents by PatentIndex Score

2 records

0150US5017710AFluoran compound and coloring recording material using itNIPPON SODA CO·Filed 1989·Granted May 21, 1991·3 cites·2 claims
0249US4668967AFluoran compound and color forming record materials using the sameSHIN NISSO KAKO CO LTD·Filed 1986·Granted May 26, 1987·3 cites·5 claims

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