Inventor
Akio Ejima
Inventor
Tokyo, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds81%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
A61KPreparations for medical, dental or toiletry purposes6%
PatentTitleYear
6,573,377'Pyrazole derivatives and salts thereof'20036,552,018'Pyrazole derivatives'20036,407,115'Hexa-cyclic compound'20026,169,086'Pyrazole derivatives'20015,852,019'Pyrimidinylpyrazole derivatives'19985,834,476'Hexa-cyclic compound'19985,770,605'Method for treating leukemia with a hexa-cyclic compound'19985,658,920'Substituted 1H,12H-benz-[DE]pyrano[3\',4\':6,7] indolizino[1,2-B]quinoline-10,13(9H,15H)-dione compound'19975,637,770'Hexa-cyclic compound'19975,061,795'Hexa-cyclic compound'19914,939,255'Hexa-cyclic camptothecin derivatives'19904,833,242'Cephalosporin derivatives and salts thereof'19894,778,891'Certain pyrano (3,4-f)-indolizine derivatives'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2003Patents assigned to DAIICHI SEIYAKU CO (13)· patent assignee history
1988–2002Patents assigned to YAKULT HONSHA KK (8)· patent assignee history
1988–2003Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAIICHI SEIYAKU CO | 13 | 1988–2003 |
| YAKULT HONSHA KK | 8 | 1988–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 1988–2003 |