Inventor · disambiguated record
Michio Tsuyumoto
Also filed as: TSUYUMOTO MICHIO
5 granted patents·68 citations·filing 1988–2004
80Inventor score
Files withDAICEL CHEM2GEN DIRECTOR OF THE AGENCY OF1JAPAN REPRESENTED BY MINISTRY1MITI MINI INT TRADE & IND1
Top patents by PatentIndex Score
5 records- 0172US4871461APolymer composite membraneGEN DIRECTOR OF THE AGENCY OF·Filed 1988·Granted Oct 3, 1989·35 cites·14 claims
- 0256US7829186B2Porous films with chemical resistanceDAICEL CHEM·Filed 2004·Granted Nov 9, 2010·3 cites·3 claims
- 0352US5393432ASeparating membrane of polyion complexMITI MINI INT TRADE & IND·Filed 1992·Granted Feb 28, 1995·17 cites·7 claims
- 0451US7820281B2Process for producing porous film and porous filmDAICEL CHEM·Filed 2003·Granted Oct 26, 2010·4 cites·11 claims
- 0536US5087367AHydrolyzed membrane and process for the preparation of the sameJAPAN REPRESENTED BY MINISTRY·Filed 1988·Granted Feb 11, 1992·9 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →