Inventor
Ryusuke Shigematsu
Inventor
Ibaraki, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds63%
B01DSeparation5%
C01BNon-metallic elements5%
C07BGeneral methods of organic chemistry5%
H01GCapacitors5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
H04MTelephonic communication5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
PatentTitleYear
10,683,253Method for producing high-purity terephthalic acid202010,385,001Method of producing terephthalic acid20198,759,588'Process for producing xylylenediamine'20147,625,543'Production process for carbonized product and carbonized product obtained by the same process'20097,626,057'Production of xylylenediamines'20096,642,412'Process for producing a high purity aromatic polycarboxylic acid'20036,455,731'Process for producing a high purity aromatic polycarboxylic acid'20026,452,047'Process for producing highly pure aromatic polycarboxylic acid'20026,072,098'Process for producing highly pure 2,6-dimethylnaphthalene'20005,948,949'Process for producing 2,6-dimethylnaphthalene'19995,859,294'Process for the production of high-purity naphthalenedicarboxylic acid'19995,495,060'Method for isomerizing dimethylnaphthalene'19965,481,055'Method for isomerizing dimethylnaphthalene'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2020Patents assigned to MITSUBISHI GAS CHEMICAL CO (12)· patent assignee history
1996–2000Based in Tsukuba, JP· patent location history
1999Patents assigned to MITSUBISHI GAS CHEMICAL CORP I (1)· patent assignee history
1999–2003Based in Ibaraki, JP· patent location history
2009–2014Based in Okayama, JP· patent location history
2014Patents assigned to KATO KINJI (1)· patent assignee history
2014Patents assigned to KUMANO TATSUYUKI (1)· patent assignee history
2014Patents assigned to NAGAO SHINICHI (1)· patent assignee history
2019–2020Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI GAS CHEMICAL CO | 12 | 1996–2020 |
| KATO KINJI | 1 | 2014 |
| KUMANO TATSUYUKI | 1 | 2014 |
| MITSUBISHI GAS CHEMICAL CORP I | 1 | 1999 |
| NAGAO SHINICHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 4 | 1999–2003 |
| Tsukuba, JP | 4 | 1996–2000 |
| Okayama, JP | 3 | 2009–2014 |
| Chiyoda-ku, JP | 2 | 2019–2020 |