Inventor · disambiguated record
Koji Sumitani
Also filed as: SUMITANI KOJI
12 granted patents·413 citations·filing 1980–1994
93Inventor score
Top patents by PatentIndex Score
12 records- 0196US4485185ACatalyst compositionTEIJIN PETROCHEM IND·Filed 1983·Granted Nov 27, 1984·80 cites·20 claims
- 0295US4695667ANovel crystalline aluminosilicate zeolites and process for production thereofTEIJIN PETROCHEM IND·Filed 1985·Granted Sep 22, 1987·65 cites·12 claims
- 0394US4377718AProcess for producing p-xyleneTEIJIN PETROCHEM IND·Filed 1981·Granted Mar 22, 1983·60 cites·19 claims
- 0494US4331822AIsomerization of xyleneTEIJIN PETROCHEM IND·Filed 1980·Granted May 25, 1982·68 cites·12 claims
- 0588US4320242AProcess for selective dealkylation of alkyl-substituted aromatic hydrocarbonsTEIJIN PETROCHEM IND·Filed 1980·Granted Mar 16, 1982·31 cites·15 claims
- 0684US4557919AProduction of crystalline zeolitesTEIJIN PETROCHEM IND·Filed 1984·Granted Dec 10, 1985·41 cites·13 claims
- 0778US4700012AProcess for isomerizing xyleneTEIJIN PETROCHEM IND·Filed 1986·Granted Oct 13, 1987·16 cites·9 claims
- 0875US4524055ACrystalline aluminosilicate zeolite and process for production thereofTEIJIN PETROCHEM IND·Filed 1983·Granted Jun 18, 1985·11 cites·9 claims
- 0968US5329058AProcess for producing alkenylbenzeneTEIJIN LIMIED·Filed 1992·Granted Jul 12, 1994·12 cites·11 claims
- 1066US5430174AMethod for recovering dimethyl naphthalene-2,6-dicarboxylateTEIJIN LTD·Filed 1994·Granted Jul 4, 1995·12 cites·6 claims
- 1166US4954326APreparation of crystalline aluminosilicate zeolite, and its productTEIJIN PETROCHEM IND·Filed 1989·Granted Sep 4, 1990·17 cites·14 claims
- 1227US5365001AMethod for preparing dialkylnaphthaleneTEIJIN LTD·Filed 1992·Granted Nov 15, 1994·0 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →