Inventor · disambiguated record

Ryozo Yamaguchi

Also filed as: YAMAGUCHI RYOZO

3 granted patents·5 citations·filing 1977–1977

53Inventor score

Technology areasC07J

Files withMITSUBISHI CHEM IND3

Top patents by PatentIndex Score

3 records

0153US4144254AProcess for the purification of steroidsMITSUBISHI CHEM IND·Filed 1977·Granted Mar 13, 1979·5 cites·22 claims
0225US4143040AProcess for producing 17-acetals of 3-alkoxyestra-2,5 (10)-dien-17-onesMITSUBISHI CHEM IND·Filed 1977·Granted Mar 6, 1979·0 cites·22 claims
0320US4122080AProcess for producing 17-acetals of 3-alkoxyestra-2,5(10)-dien-17-onesMITSUBISHI CHEM IND·Filed 1977·Granted Oct 24, 1978·0 cites·14 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →