Inventor
Yasumasa Hamada
Inventor
Chiba, 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 compounds27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
C07BGeneral methods of organic chemistry18%
C07DHeterocyclic compounds18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
7,799,941'Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivative'20107,781,609'Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivative'20107,589,221'Process for producing (2R)-2-propyloctanoic acid and intermediate therefor'20095,158,970'Proline derivatives'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to YAKULT HONSHA KK (1)· patent assignee history
1992Based in Nagoya, JP· patent location history
2009Patents assigned to ONO PHARMACEUTICAL CO (1)· patent assignee history
2009–2010Based in Chiba, JP· patent location history
2010Patents assigned to NISSAN CHEMICAL IND LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NISSAN CHEMICAL IND LTD | 2 | 2010 |
| ONO PHARMACEUTICAL CO | 1 | 2009 |
| YAKULT HONSHA KK | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 3 | 2009–2010 |
| Nagoya, JP | 1 | 1992 |