Assignee
MITSUI TOATSU CHEMICALS
JP·1,354 granted patents·23,289 citations·filing 1970–2003
Top patents by PatentIndex Score
1,354 records- 0199US4775733AHigh-refractivity plastic lens resin formed by reacting at least one polyisocyanate with at least one polythiolMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 4, 1988·186 cites·22 claims
- 0298US5310865APolyhydroxycarboxylic acid and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1992·Granted May 10, 1994·159 cites·37 claims
- 0398US5191055AMercapto compound, a high refractive index resin and lens and a process for preparing themMITSUI TOATSU CHEMICALS·Filed 1992·Granted Mar 2, 1993·164 cites·9 claims
- 0498US5059673AResin for urethane lenses, lenses comprising the resin, and a process for preparation of the resin and the lensesMITSUI TOATSU CHEMICALS·Filed 1990·Granted Oct 22, 1991·111 cites·8 claims
- 0598US4835312AProduction process of N-substituted amide compoundsMITSUI TOATSU CHEMICALS·Filed 1986·Granted May 30, 1989·171 cites·1 claims
- 0698US4689387AS-alkyl thiocarbamate base lens resinMITSUI TOATSU CHEMICALS·Filed 1986·Granted Aug 25, 1987·197 cites·15 claims
- 0797US5753730APlastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared therebyMITSUI TOATSU CHEMICALS·Filed 1991·Granted May 19, 1998·111 cites·26 claims
- 0897US5387665AResins for electrohotographic tonersMITSUI TOATSU CHEMICALS·Filed 1994·Granted Feb 7, 1995·103 cites·8 claims
- 0997US5374668ACasting epoxy resin, polythiol and releasing agent to form lensMITSUI TOATSU CHEMICALS·Filed 1989·Granted Dec 20, 1994·102 cites·6 claims
- 1097US5087758AMercapto compound, a high refractive index resin and lens and a process for preparing themMITSUI TOATSU CHEMICALS·Filed 1989·Granted Feb 11, 1992·159 cites·19 claims
- 1197US4847349APolyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diaminesMITSUI TOATSU CHEMICALS·Filed 1986·Granted Jul 11, 1989·89 cites·6 claims
- 1296US5693738AComposition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lensMITSUI TOATSU CHEMICALS·Filed 1995·Granted Dec 2, 1997·129 cites·18 claims
- 1396US5266746AFlexible printed circuit board having a metal substrateMITSUI TOATSU CHEMICALS·Filed 1991·Granted Nov 30, 1993·157 cites·13 claims
- 1496US4542201AResin for high-refractivity lenses and lenses made of same resinMITSUI TOATSU CHEMICALS·Filed 1984·Granted Sep 17, 1985·89 cites·2 claims
- 1596US4314039APolypropylene composition containing a 1.3,2.4-di(alkylbenzylidene) sorbitolMITSUI TOATSU CHEMICALS·Filed 1980·Granted Feb 2, 1982·75 cites·8 claims
- 1695US5578419ADyes for color filters, and photosensitive resist resin composition containing the sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Nov 26, 1996·46 cites·15 claims
- 1795US5352758AMercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 4, 1994·48 cites·8 claims
- 1895US5202212AToner composition for electrophotographyMITSUI TOATSU CHEMICALS·Filed 1992·Granted Apr 13, 1993·65 cites·6 claims
- 1995US5112817AQuinoline derivativesMITSUI TOATSU CHEMICALS·Filed 1989·Granted May 12, 1992·65 cites·12 claims
- 2095US5087661AMoisture curable polyurethane composition comprising polyaldimineMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 11, 1992·78 cites·24 claims
- 2195US4814124APreparation of gas permeable porous filmMITSUI TOATSU CHEMICALS·Filed 1987·Granted Mar 21, 1989·105 cites·4 claims
- 2295US4540698A5-Methylthiopyrimidine derivatives, their preparation process and fungicides containing same as active ingredientsMITSUI TOATSU CHEMICALS·Filed 1983·Granted Sep 10, 1985·86 cites·6 claims
- 2395US4481175AProcess for preparing apatiteMITSUI TOATSU CHEMICALS·Filed 1983·Granted Nov 6, 1984·75 cites·15 claims
- 2495US4331451ACatalytic gasificationMITSUI TOATSU CHEMICALS·Filed 1980·Granted May 25, 1982·107 cites·6 claims
- 2595US4081472AProcess for preparation of aromatic isocyanatesMITSUI TOATSU CHEMICALS·Filed 1976·Granted Mar 28, 1978·85 cites·7 claims
- 2695US4070401AMethod for the preparation of a halogenated aromatic amineMITSUI TOATSU CHEMICALS·Filed 1973·Granted Jan 24, 1978·37 cites·10 claims
- 2794US5608115APolythiol useful for preparing sulfur-containing urethane-based resin and process for producing the sameMITSUI TOATSU CHEMICALS·Filed 1995·Granted Mar 4, 1997·63 cites·15 claims
- 2894US5532365AIntermediate for furanyl insecticideMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jul 2, 1996·88 cites·3 claims
- 2994US5406124AInsulating adhesive tape, and lead frame and semiconductor device employing the tapeMITSUI TOATSU CHEMICALS·Filed 1993·Granted Apr 11, 1995·318 cites·16 claims
- 3094US4933158AMethod for purifying nitrogen trifluoride gasMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jun 12, 1990·113 cites·5 claims
- 3194US4828710AMethod for the extraction of water from macromolecular solutionsMITSUI TOATSU CHEMICALS·Filed 1987·Granted May 9, 1989·104 cites·4 claims
- 3294US4718425ACatheter with pressure sensorMITSUI TOATSU CHEMICALS·Filed 1986·Granted Jan 12, 1988·162 cites·7 claims
- 3394US4713245AGranule containing physiologically-active substance, method for preparing same and use thereofMITSUI TOATSU CHEMICALS·Filed 1985·Granted Dec 15, 1987·212 cites·6 claims
- 3494US4649219AUnsaturated cyclic amido-substituted ether compounds and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1985·Granted Mar 10, 1987·52 cites·4 claims
- 3594US4375566AProcess for producing ortho-alkylated phenols from anisolesMITSUI TOATSU CHEMICALS·Filed 1981·Granted Mar 1, 1983·77 cites·12 claims
- 3694US4321410AMethod of stripping unreacted materials in urea synthesis processMITSUI TOATSU CHEMICALS·Filed 1981·Granted Mar 23, 1982·42 cites·6 claims
- 3793US5461085ASuperabsorbent polymer and process for producing sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Oct 24, 1995·50 cites·15 claims
- 3893US5444107ADegradable polymer compositionMITSUI TOATSU CHEMICALS·Filed 1992·Granted Aug 22, 1995·67 cites·4 claims
- 3993US5434181AFuranyl insecticideMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jul 18, 1995·72 cites·16 claims
- 4093US5405843AQuinoline derivativesMITSUI TOATSU CHEMICALS·Filed 1993·Granted Apr 11, 1995·69 cites·17 claims
- 4193US5294469AIndustrial woven fabric and composite sheet comprising sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Mar 15, 1994·52 cites·8 claims
- 4293US5200668ALuminescence elementMITSUI TOATSU CHEMICALS·Filed 1989·Granted Apr 6, 1993·91 cites·7 claims
- 4393US5200439AMethod for increasing intrinsic viscosity of syndiotactic polypropyleneMITSUI TOATSU CHEMICALS·Filed 1991·Granted Apr 6, 1993·82 cites·18 claims
- 4493US5041464AProcess for preparing polymer emulsion particles having poresMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 20, 1991·68 cites·15 claims
- 4593US4959104ASelf-hardenable materialMITSUI TOATSU CHEMICALS·Filed 1988·Granted Sep 25, 1990·188 cites·8 claims
- 4693US4946923AS-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lensMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 7, 1990·57 cites·24 claims
- 4793US4585671AFormation process of amorphous silicon filmMITSUI TOATSU CHEMICALS·Filed 1983·Granted Apr 29, 1986·132 cites·7 claims
- 4893US4510079AElectrically-conductive resin compositionMITSUI TOATSU CHEMICALS·Filed 1982·Granted Apr 9, 1985·59 cites·2 claims
- 4993US4360447AComposition for liquid crystal color display elementsMITSUI TOATSU CHEMICALS·Filed 1980·Granted Nov 23, 1982·38 cites·8 claims
- 5093US4048136AMetallic tone powder coating compositionMITSUI TOATSU CHEMICALS·Filed 1975·Granted Sep 13, 1977·48 cites·8 claims
Showing the top 50 of 1,354 patent records by PatentIndex Score.
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