Assignee
SHOWA SHELL SEKIYU
JP·74 granted patents·24 pending applications·1,757 citations·filing 1986–2018
Top patents by PatentIndex Score
98 records- 0195US6092669AEquipment for producing thin-film solar cellSHOWA SHELL SEKIYU·Filed 1999·Granted Jul 25, 2000·221 cites·3 claims
- 0295US6048442AMethod for producing thin-film solar cell and equipment for producing the sameSHOWA SHELL SEKIYU·Filed 1997·Granted Apr 11, 2000·233 cites·4 claims
- 0394US6040521AN-type window layer for a thin film solar cell and method of makingSHOWA SHELL SEKIYU·Filed 1997·Granted Mar 21, 2000·205 cites·6 claims
- 0493US5981868AThin-film solar cell comprising thin-film light absorbing layer of chalcopyrite multi-element compound semiconductorSHOWA SHELL SEKIYU·Filed 1997·Granted Nov 9, 1999·208 cites·8 claims
- 0589US10760020B2Heavy fuel oil C compositionSHOWA SHELL SEKIYU·Filed 2017·Granted Sep 1, 2020·11 cites·3 claims
- 0686US6258760B1Grease composition for constant velocity jointSHOWA SHELL SEKIYU·Filed 2000·Granted Jul 10, 2001·31 cites·4 claims
- 0786US5133809APhotovoltaic device and process for manufacturing the sameSHOWA SHELL SEKIYU·Filed 1990·Granted Jul 28, 1992·91 cites·6 claims
- 0885US5336623AProcess for producing integrated solar cellSHOWA SHELL SEKIYU·Filed 1993·Granted Aug 9, 1994·87 cites·3 claims
- 0985US4843183AProcess for producing lower olefinic hydrocarbons from methanolSHOWA SHELL SEKIYU·Filed 1987·Granted Jun 27, 1989·43 cites·14 claims
- 1084US7989256B2Method for manufacturing CIS-based thin film solar cellSHOWA SHELL SEKIYU·Filed 2009·Granted Aug 2, 2011·11 cites·11 claims
- 1182US5248345AIntegrated photovoltaic deviceSHOWA SHELL SEKIYU·Filed 1991·Granted Sep 28, 1993·87 cites·3 claims
- 1281US5202054ALiquid crystal compoundSHOWA SHELL SEKIYU·Filed 1991·Granted Apr 13, 1993·23 cites·3 claims
- 1380US5488266AElectro-luminescence deviceSHOWA SHELL SEKIYU·Filed 1993·Granted Jan 30, 1996·47 cites·9 claims
- 1477US5417885AAntiferroelectric liquid crystal compoundSHOWA SHELL SEKIYU·Filed 1993·Granted May 23, 1995·30 cites·13 claims
- 1576US4929760AFluorine-containing carbonyl compounds and method for preparing the sameSHOWA SHELL SEKIYU·Filed 1988·Granted May 29, 1990·19 cites·13 claims
- 1674US4704494AConversion process of aromatic hydrocarbon from low molecular paraffin hydrocarbonSHOWA SHELL SEKIYU·Filed 1987·Granted Nov 3, 1987·29 cites·11 claims
- 1769US9166085B2Method for manufacturing solar cell module provided with an edge spaceSHOWA SHELL SEKIYU·Filed 2013·Granted Oct 20, 2015·0 cites·11 claims
- 1869US9166086B2Method for manufacturing solar cell module provided with an edge spaceSHOWA SHELL SEKIYU·Filed 2013·Granted Oct 20, 2015·0 cites·8 claims
- 1967US5465091ATouch sensorSHOWA SHELL SEKIYU·Filed 1994·Granted Nov 7, 1995·21 cites·13 claims
- 2065US5110498ALiquid crystal compoundSHOWA SHELL SEKIYU·Filed 1990·Granted May 5, 1992·9 cites·8 claims
- 2163US5234755AWater absorptive and retentive flexible cloth and method for producing sameSHOWA SHELL SEKIYU·Filed 1991·Granted Aug 10, 1993·17 cites·3 claims
- 2262US7977139B2Method for manufacturing CIS based thin film solar cell deviceSHOWA SHELL SEKIYU·Filed 2007·Granted Jul 12, 2011·2 cites·20 claims
- 2362US4705907AProduction of liquid hydrocarbon from gas containing lower hydrocarbonSHOWA SHELL SEKIYU·Filed 1986·Granted Nov 10, 1987·7 cites·8 claims
- 2459US5366713AMethod of forming p-type silicon carbideSHOWA SHELL SEKIYU·Filed 1993·Granted Nov 22, 1994·20 cites·8 claims
- 2559US4992619AProcess for separating methyl substituted naphthalene by crystallization under pressureSHOWA SHELL SEKIYU·Filed 1989·Granted Feb 12, 1991·7 cites·17 claims
- 2659US2009283131A1Integrated thin-film solar cell and process for producing the sameSHOWA SHELL SEKIYU·Filed 2009·Application pending·0 cites
- 2758US5585336AGrease composition for tripod type constant velocity jointSHOWA SHELL SEKIYU·Filed 1995·Granted Dec 17, 1996·17 cites·6 claims
- 2858US5051527ALiquid crystal compounds having fluoroalkyl radicalSHOWA SHELL SEKIYU·Filed 1989·Granted Sep 24, 1991·13 cites·9 claims
- 2957US5184847ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1991·Granted Feb 9, 1993·13 cites·4 claims
- 3057US4973738ALiquid crystal compounds having naphthalene nucleusSHOWA SHELL SEKIYU·Filed 1989·Granted Nov 27, 1990·14 cites·5 claims
- 3156US5330563AProcess for separating a volatile organic compound from a gasSHOWA SHELL SEKIYU·Filed 1993·Granted Jul 19, 1994·28 cites·4 claims
- 3255US5207947ALiquid crystal compoundSHOWA SHELL SEKIYU·Filed 1991·Granted May 4, 1993·13 cites·3 claims
- 3355US5204020ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted Apr 20, 1993·11 cites·1 claims
- 3455US5171471ADioxane liquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted Dec 15, 1992·13 cites·9 claims
- 3554US9240501B2Compound-based thin film solar cellSHOWA SHELL SEKIYU·Filed 2014·Granted Jan 19, 2016·0 cites·9 claims
- 3654US7629301B2Grease compositionSHOWA SHELL SEKIYU·Filed 2004·Granted Dec 8, 2009·2 cites·16 claims
- 3754US5194179ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1989·Granted Mar 16, 1993·11 cites·5 claims
- 3854US2014315348A1Thin film solar cellSHOWA SHELL SEKIYU·Filed 2012·Application pending·0 cites
- 3952US5556038AMethod for producing ultra fine particlesSHOWA SHELL SEKIYU·Filed 1994·Granted Sep 17, 1996·15 cites·9 claims
- 4050US5877129ALubricant additive and lubricating grease composition containing the sameSHOWA SHELL SEKIYU·Filed 1995·Granted Mar 2, 1999·15 cites·12 claims
- 4150US5624889ALubricating grease compositionSHOWA SHELL SEKIYU·Filed 1995·Granted Apr 29, 1997·11 cites·4 claims
- 4250US2010126581A1Solar cell moduleSHOWA SHELL SEKIYU·Filed 2008·Application pending·0 cites
- 4350US2009305920A1Lubricating compositionSHOWA SHELL SEKIYU·Filed 2007·Application pending·0 cites
- 4450US2010037945A1Black-ceramic-decorated solar cell moduleSHOWA SHELL SEKIYU·Filed 2007·Application pending·0 cites
- 4550US2009095347A1Cis based thin-film solar cell module having pattern-displaying function and process for producing the sameSHOWA SHELL SEKIYU·Filed 2007·Application pending·0 cites
- 4649US5118836AOptically active fluorine-containing 3-hydroxybutyric acid esters and process for producing the sameSHOWA SHELL SEKIYU·Filed 1990·Granted Jun 2, 1992·5 cites·12 claims
- 4749US2015059845A1Czts-based thin film solar cell and method of production of sameSHOWA SHELL SEKIYU·Filed 2012·Application pending·0 cites
- 4848US10968408B2Gasoline composition and production process thereforSHOWA SHELL SEKIYU·Filed 2017·Granted Apr 6, 2021·0 cites·3 claims
- 4948US5262086ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted Nov 16, 1993·10 cites·5 claims
- 5047US5310500ALiquid crystal compoundsSHOWA SHELL SEKIYU·Filed 1992·Granted May 10, 1994·3 cites·3 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when SHOWA SHELL SEKIYU files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →