Inventor
Tatsushi Saeki
Inventor
Yokohama, 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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
B01DSeparation8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C22BProduction and refining of metals8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
PatentTitleYear
4,285,811'Purification of formaldehyde by separation'19814,238,294'Process for recovering heavy metal ions or heavy metal ions and halogen values from solutions comprising a lower aliphatic monocarboxylic acid'19804,159,284'Process for separation of hydrocarbon mixture'19794,137,054'Purification of formaldehyde by separation'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1981Patents assigned to ASAHI CHEMICAL IND (4)· patent assignee history
1979–1981Based in Yokohama, JP· patent location history
1980Based in Nobeoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI CHEMICAL IND | 4 | 1979–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 1979–1981 |
| Nobeoka, JP | 1 | 1980 |