Inventor
Toyofumi Sakai
Inventor
Himeji, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds36%
A61LMethods or apparatus for sterilising materials or objects in general9%
B01DSeparation9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C07DHeterocyclic compounds9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C08JWorking-up9%
C08LCompositions of macromolecular compounds9%
PatentTitleYear
10,239,815Method for producing acrylic acid20199,320,822'Polyacrylic acid (salt) water-absorbing resin and manufacturing method therefor'20169,029,599'Process for producing (meth)acrylic acid'20158,278,481'Method for producing (meth)acrylic acid'20127,368,602'Process for producing (meth) acrylic acid'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2019Patents assigned to NIPPON CATALYTIC CHEM IND (5)· patent assignee history
2008–2016Based in Himeji, JP· patent location history
2012Patents assigned to SAKAI TOYOFUMI (1)· patent assignee history
2012Patents assigned to SAKAMOTO KAZUHIKO (1)· patent assignee history
2012Patents assigned to SERATA NAOKI (1)· patent assignee history
2015–2019Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CATALYTIC CHEM IND | 5 | 2008–2019 |
| SAKAI TOYOFUMIself | 1 | 2012 |
| SAKAMOTO KAZUHIKO | 1 | 2012 |
| SERATA NAOKI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Himeji, JP | 3 | 2008–2016 |
| Hyogo, JP | 2 | 2015–2019 |