Inventor · disambiguated record
Yoshiko Fujiyama
Also filed as: FUJIYAMA YOSHIKO
2 granted patents·102 citations·filing 1981–1983
69Inventor score
Technology areasC07C
Files withMITSUBISHI CHEM IND2
Top patents by PatentIndex Score
2 records- 0195US4423252AProcess for preparing bisphenolsMITSUBISHI CHEM IND·Filed 1981·Granted Dec 27, 1983·63 cites·5 claims
- 0293US4478956AProcess for preparing bisphenols using pyridinealkanethiol derivatized sulphonated cation exchange resinsMITSUBISHI CHEM IND·Filed 1983·Granted Oct 23, 1984·39 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →