Inventor · disambiguated record
Ryozo Numazawa
Also filed as: NUMAZAWA RYOZO · ONISHI HISAO
12 granted patents·315 citations·filing 1978–1994
91Inventor score
Files withMITSUBISHI RAYON CO12
Top patents by PatentIndex Score
12 records- 0195US4181604AProcess and apparatus for waste water treatmentMITSUBISHI RAYON CO·Filed 1978·Granted Jan 1, 1980·98 cites·19 claims
- 0294US4746435ABiochemical process for purifying contaminated waterMITSUBISHI RAYON CO·Filed 1983·Granted May 24, 1988·99 cites·5 claims
- 0391US5149649AMulti-layered porous hollow fiber membrane for use in cell cultureMITSUBISHI RAYON CO·Filed 1990·Granted Sep 22, 1992·70 cites·7 claims
- 0470US5149855AProcess for racemizing optically active carboxylic acid estersMITSUBISHI RAYON CO·Filed 1990·Granted Sep 22, 1992·11 cites·3 claims
- 0564US4629701AProcess for preparing optically active carboxylic acids and antipode esters thereofMITSUBISHI RAYON CO·Filed 1984·Granted Dec 16, 1986·13 cites·7 claims
- 0660US4885244AMethod of producing hyaluronic acidMITSUBISHI RAYON CO·Filed 1987·Granted Dec 5, 1989·12 cites·3 claims
- 0751US5079153AProcess for the preparation of organic esters of ascorbic acid or erythorbic acid using ester hydralases in organic solvents containing 100-10,000 ppm of waterMITSUBISHI RAYON CO·Filed 1990·Granted Jan 7, 1992·4 cites·4 claims
- 0842US5473081AProcess for the preparation of l-proline derivativesMITSUBISHI RAYON CO·Filed 1994·Granted Dec 5, 1995·2 cites·6 claims
- 0938US5476791AProcess for producing optically active carboxylic acid amideMITSUBISHI RAYON CO·Filed 1994·Granted Dec 19, 1995·2 cites·2 claims
- 1036US5071753AProcess for the enzymatic preparation of organic esters of ascorbic acid or erythorbic acidMITSUBISHI RAYON CO·Filed 1990·Granted Dec 10, 1991·1 cites·2 claims
- 1134US5308765AEsterase genes, esterase, recombinant plasmids and transformants containing the recombinant plasmid and methods of producing optically acitve carboxylic acids and their enantiomeric esters using said transformantsMITSUBISHI RAYON CO·Filed 1992·Granted May 3, 1994·2 cites·6 claims
- 1232US5482847AEsterase genes, esterase, recombinant plasmids and transformants containing the recombinant plasmid and methods of producing optically active carboxylic acids and their enantiomeric esters using said trasnformantsMITSUBISHI RAYON CO·Filed 1994·Granted Jan 9, 1996·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →