Inventor · disambiguated record
Ryusuke Shigematsu
Also filed as: SHIGEMATSU RYUSUKE
13 granted patents·1 pending application·71 citations·filing 1994–2017
89Inventor score
Top patents by PatentIndex Score
14 records- 0178US5859294AProcess for the production of high-purity naphthalenedicarboxylic acidMITSUBISHI GAS CHEMICAL CORP I·Filed 1997·Granted Jan 12, 1999·23 cites·18 claims
- 0276US10683253B2Method for producing high-purity terephthalic acidMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Jun 16, 2020·1 cites·4 claims
- 0375US6452047B1Process for producing highly pure aromatic polycarboxylic acidMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Sep 17, 2002·7 cites·22 claims
- 0471US7626057B2Production of xylylenediaminesMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Dec 1, 2009·2 cites·8 claims
- 0569US6072098AProcess for producing highly pure 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Jun 6, 2000·12 cites·10 claims
- 0667US7625543B2Production process for carbonized product and carbonized product obtained by the same processMITSUBISHI GAS CHEMICAL CO·Filed 2005·Granted Dec 1, 2009·3 cites·8 claims
- 0764US5948949AProcess for producing 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Sep 7, 1999·10 cites·18 claims
- 0857US5481055AMethod for isomerizing dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Jan 2, 1996·7 cites·12 claims
- 0956US6455731B2Process for producing a high purity aromatic polycarboxylic acidMITSUBISHI GAS CHEMICAL CO·Filed 2001·Granted Sep 24, 2002·1 cites·14 claims
- 1052US8759588B2Process for producing xylylenediamineNAGAO SHINICHI·Filed 2009·Granted Jun 24, 2014·0 cites·17 claims
- 1152US5495060AMethod for isomerizing dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Feb 27, 1996·5 cites·14 claims
- 1246US6642412B2Process for producing a high purity aromatic polycarboxylic acidMITSUBISHI GAS CHEMICAL CO·Filed 2002·Granted Nov 4, 2003·0 cites·8 claims
- 1344US2005117275A1Process for production of activated carbon for electrode for electric double layer capacitor and carbon material thereofFiled 2004·Application pending·0 cites
- 1438US10385001B2Method of producing terephthalic acidMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Aug 20, 2019·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Ryusuke Shigematsu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →