Inventor · disambiguated record
Takao Doi
Also filed as: DOI TAKAO
21 granted patents·2 pending applications·519 citations·filing 1979–2012
96Inventor score
Files withASAHI GLASS CO LTD14TOSOH CORP3CHELEST CORP1CHELEST CORP AND CHUBU CHELEST1CHUBU CHELEST CO LTD1
Top patents by PatentIndex Score
23 records- 0195US6207766B1Room temperature-setting compositionsASAHI GLASS CO LTD·Filed 1998·Granted Mar 27, 2001·163 cites·12 claims
- 0295US4987271AMethod for purifying a polyoxyalkylene alcoholASAHI GLASS CO LTD·Filed 1990·Granted Jan 22, 1991·99 cites·19 claims
- 0389US5093380APolyurethane flexible foam and method for its productionASAHI GLASS CO LTD·Filed 1989·Granted Mar 3, 1992·47 cites·23 claims
- 0487US5811566AProcess for purifying a polyetherASAHI GLASS CO LTD·Filed 1995·Granted Sep 22, 1998·50 cites·14 claims
- 0585US4342840AProcess for producing polymer polyolASAHI GLASS CO LTD·Filed 1980·Granted Aug 3, 1982·34 cites·25 claims
- 0676US6780934B2Room temperature-setting compositionASAHI GLASS CO LTD·Filed 2002·Granted Aug 24, 2004·13 cites·6 claims
- 0771US6528679B1Process for producing phenyl esters using palladium-based catalystsTOSOH CORP·Filed 2000·Granted Mar 4, 2003·4 cites·6 claims
- 0869US5973096AProcess for purifying a polyetherASAHI GLASS CO LTD·Filed 1997·Granted Oct 26, 1999·20 cites·2 claims
- 0964US6958407B2Process for producing phenyl ester, and catalystTOSOH CORP·Filed 2004·Granted Oct 25, 2005·2 cites·12 claims
- 1063US6875508B1Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiberCHELEST CORP·Filed 2000·Granted Apr 5, 2005·12 cites·18 claims
- 1159US6869537B1Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiberCHUBU CHELEST CO LTD·Filed 2000·Granted Mar 22, 2005·16 cites·18 claims
- 1257US6815394B2Palladium-based catalystsTOSOH CORP·Filed 2002·Granted Nov 9, 2004·1 cites·12 claims
- 1353US5030685AProcess for producing a condensed resin dispersionASAHI GLASS CO LTD·Filed 1989·Granted Jul 9, 1991·7 cites·14 claims
- 1448US2005138877A1Plane lattice hollow concrete slab and cross arm braceFiled 2003·Application pending·0 cites
- 1547US6872317B1Chelate-forming filter, process for producing the same, and method of purifying liquid using the filterCHELEST CORP AND CHUBU CHELEST·Filed 1999·Granted Mar 29, 2005·18 cites·14 claims
- 1646US5344874AProcess for producing a condensed resin dispersionASAHI GLASS CO LTD·Filed 1991·Granted Sep 6, 1994·5 cites·13 claims
- 1743US5434005AAqueous compositionASAHI GLASS CO LTD·Filed 1993·Granted Jul 18, 1995·10 cites·11 claims
- 1843US2014110328A1Forward osmosis membrane flow system and composite semipermeable membrane for forward osmosis membrane flow systemDOI TAKAO·Filed 2012·Application pending·0 cites
- 1937US4868252AEpoxy resin compositionASAHI GLASS CO LTD·Filed 1987·Granted Sep 19, 1989·6 cites·7 claims
- 2037US4277528ACeramic substrateKYOTO CERAMIC·Filed 1979·Granted Jul 7, 1981·6 cites·8 claims
- 2135US5438107ACondensed resin dispersion and process for its productionASAHI GLASS CO LTD·Filed 1993·Granted Aug 1, 1995·2 cites·6 claims
- 2234US5290898ACondensed resin dispersion and process for its productionASAHI GLASS CO LTD·Filed 1992·Granted Mar 1, 1994·3 cites·5 claims
- 2329US4736000AMethod for curing aromatic polythioether sulfoneASAHI GLASS CO LTD·Filed 1986·Granted Apr 5, 1988·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →