Inventor · disambiguated record
Takatoshi Shimomura
Also filed as: MURASE ICHIKI · SHIMOMURA TAKATOSHI
13 granted patents·324 citations·filing 1974–1985
93Inventor score
Technology areasB01D
Files withSUMITOMO CHEMICAL CO13
Top patents by PatentIndex Score
13 records- 0195US4046843AProcess for preparing membranes for separation of substancesSUMITOMO CHEMICAL CO·Filed 1975·Granted Sep 6, 1977·78 cites·24 claims
- 0291US3992495AMethod of manufacturing a semipermeable membrane from a water-soluble polymeric resinSUMITOMO CHEMICAL CO·Filed 1974·Granted Nov 16, 1976·48 cites·11 claims
- 0384US4147745AProcess for producing semipermeable membranesSUMITOMO CHEMICAL CO·Filed 1976·Granted Apr 3, 1979·33 cites·9 claims
- 0483US4265959AProcess for producing semipermeable membranesSUMITOMO CHEMICAL CO·Filed 1978·Granted May 5, 1981·37 cites·15 claims
- 0572US4163725AProcess for preparing of semipermeable membranesSUMITOMO CHEMICAL CO·Filed 1977·Granted Aug 7, 1979·25 cites·6 claims
- 0672US4107049AProcess for producing semipermeable membranesSUMITOMO CHEMICAL CO·Filed 1976·Granted Aug 15, 1978·25 cites·18 claims
- 0768US4083904AMethod for manufacturing phosphorylated cellulose ester membranes for use in the separation or concentration of substancesSUMITOMO CHEMICAL CO·Filed 1976·Granted Apr 11, 1978·22 cites·17 claims
- 0864US4268662AProcess for improving semipermeable membranes by treating with protic acids or inorganic saltsSUMITOMO CHEMICAL CO·Filed 1979·Granted May 19, 1981·18 cites·12 claims
- 0951US4272378ASemipermeable membraneSUMITOMO CHEMICAL CO·Filed 1979·Granted Jun 9, 1981·9 cites·3 claims
- 1050US4330406ASemipermeable membrane and process of making sameSUMITOMO CHEMICAL CO·Filed 1979·Granted May 18, 1982·9 cites·11 claims
- 1149US4548769AProcess for producing semipermeable membraneSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 22, 1985·11 cites·12 claims
- 1237US3962212APhosphorylated cellulose ester membrane for use in separation or concentration of substancesSUMITOMO CHEMICAL CO·Filed 1974·Granted Jun 8, 1976·5 cites·11 claims
- 1336US4511711AProcess for producing semipermeable membraneSUMITOMO CHEMICAL CO·Filed 1983·Granted Apr 16, 1985·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →