Inventor · disambiguated record
Takashi Doi
Also filed as: DOI TAKASHI
18 granted patents·1 pending application·45 citations·filing 1997–2012
91Inventor score
Top patents by PatentIndex Score
19 records- 0181US8344166B2Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl) propanal and process for producing the sameUBE INDUSTRIES·Filed 2011·Granted Jan 1, 2013·2 cites·2 claims
- 0280US8039649B2Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the sameUBE INDUSTRIES·Filed 2008·Granted Oct 18, 2011·2 cites·8 claims
- 0374US8940946B2Method for producing high-purity 1,5-pentanediolUBE INDUSTRIES·Filed 2012·Granted Jan 27, 2015·1 cites·11 claims
- 0471US8618335B2Process for preparing aromatic aldehyde compoundDOI TAKASHI·Filed 2009·Granted Dec 31, 2013·2 cites·18 claims
- 0567US6472498B2Diaryl carbonate product and production of polycarbonateUBE INDUSTRIES·Filed 2001·Granted Oct 29, 2002·4 cites·20 claims
- 0667US5811573AProcess for producing a diaryl carnonateUBE INDUSTRIES·Filed 1997·Granted Sep 22, 1998·9 cites·14 claims
- 0761US8450508B2Method of retaining the quality of 2-methyl-3-(3,4-methylenedioxyphenyl)propanal and process for producing the sameDOI TAKASHI·Filed 2012·Granted May 28, 2013·0 cites·4 claims
- 0859US8338589B2Process for producing laurolactamKUGIMOTO JUNICHI·Filed 2009·Granted Dec 25, 2012·0 cites·9 claims
- 0959US6388140B2Method and producing cyclododecanone compoundUBE INDUSTRIES·Filed 2001·Granted May 14, 2002·2 cites·8 claims
- 1059US5792883APreparation of diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Aug 11, 1998·7 cites·12 claims
- 1159US5731453AProcess for producing a diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Mar 24, 1998·6 cites·30 claims
- 1258US9051234B2Method for producing alkanediolUBE INDUSTRIES·Filed 2012·Granted Jun 9, 2015·0 cites·9 claims
- 1358US6417404B1Process for continuously producing a cyclododecanone compoundUBE INDUSTRIES·Filed 2001·Granted Jul 9, 2002·2 cites·13 claims
- 1458US5892091ACatalyst for decarbonylation reactionUBE INDUSTRIES·Filed 1997·Granted Apr 6, 1999·7 cites·12 claims
- 1554US6861563B2Process for preparation of cyclododecanoneUBE INDUSTRIES·Filed 2002·Granted Mar 1, 2005·1 cites·5 claims
- 1652US8168809B22-methyl-3-(3,4-methylenedioxyphenyl)propanal, and method for production thereofDOI TAKASHI·Filed 2008·Granted May 1, 2012·0 cites·19 claims
- 1739US6518461B2Method of continuously producing a cyclododecanone compoundUBE INDUSTRIES·Filed 2001·Granted Feb 11, 2003·0 cites·9 claims
- 1835US2012323021A1Method for producing a high-purity aromatic methyl alcohol and high-purity aromatic methyl alcohol composition having excellent preservation stabilityDOI TAKASHI·Filed 2011·Application pending·0 cites
- 1930US5892089AProcess for preparing diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Apr 6, 1999·0 cites·11 claims
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