Inventor
RYOTARO UMEZU
Inventor
JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
C07DHeterocyclic compounds17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
C07BGeneral methods of organic chemistry8%
PatentTitleYear
12,202,786Method for producing aromatic nitrile compound and method for producing carbonate ester202511,970,442Method for producing carbonic ester202411,673,856Method for producing aromatic nitrile compound and method for producing carbonate ester202311,596,936Method for regenerating catalyst and method for producing carbonate ester2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to MITSUBISHI GAS CHEMICAL CO (4)· patent assignee history
2023–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI GAS CHEMICAL CO | 4 | 2023–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 4 | 2023–2025 |