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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