Inventor · disambiguated record
Kenji Ekawa
Also filed as: EKAWA KENJI
12 granted patents·42 citations·filing 1999–2004
87Inventor score
Files withHONSHU CHEMICAL IND12
Top patents by PatentIndex Score
12 records- 0175US6673975B1Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneHONSHU CHEMICAL IND·Filed 2000·Granted Jan 6, 2004·9 cites·4 claims
- 0270US6720460B2Hydroxyphenyl adamantanes and process for the production of the sameHONSHU CHEMICAL IND·Filed 2003·Granted Apr 13, 2004·6 cites·5 claims
- 0368US6326522B1Process for production of 1,3-di(2-p-hydroxyphenyl-2-propyl)benzeneHONSHU CHEMICAL IND·Filed 2000·Granted Dec 4, 2001·7 cites·5 claims
- 0464US6512149B2Method for removing butyl groups from butyl phenol compoundsHONSHU CHEMICAL IND·Filed 2001·Granted Jan 28, 2003·4 cites·15 claims
- 0562US6673974B1Process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneHONSHU CHEMICAL IND·Filed 2000·Granted Jan 6, 2004·3 cites·3 claims
- 0657US6673973B1Method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneHONSHU CHEMICAL IND·Filed 2000·Granted Jan 6, 2004·2 cites·1 claims
- 0746US6313351B1Process for producing alicyclic monoketones and process for producing alicyclic diketonesHONSHU CHEMICAL IND·Filed 1999·Granted Nov 6, 2001·5 cites·21 claims
- 0844US6972344B2Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneHONSHU CHEMICAL IND·Filed 2004·Granted Dec 6, 2005·0 cites·5 claims
- 0936US6992227B1Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneHONSHU CHEMICAL IND·Filed 2000·Granted Jan 31, 2006·0 cites·6 claims
- 1035US6951966B1Orthoalkylation catalyst for phenol and process for producing orthoalkylated phenol with use thereofHONSHU CHEMICAL IND·Filed 1999·Granted Oct 4, 2005·6 cites·11 claims
- 1134US6875896B2Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanesHONSHU CHEMICAL IND·Filed 2004·Granted Apr 5, 2005·0 cites·8 claims
- 1232US7196232B24,4′-dihydroxyphenyl bicyclohexenesHONSHU CHEMICAL IND·Filed 2003·Granted Mar 27, 2007·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →