Inventor
Masahiko Nagakura
Inventor
Sayama, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds42%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations35%
C07CAcyclic or carbocyclic compounds15%
A61KPreparations for medical, dental or toiletry purposes8%
PatentTitleYear
4,898,876'Benzoylpiperazine esters and a process for their production'19904,755,383'Pharmaceutical composition suitable for intestinal administration'19884,746,737'Phenyl guanidinobenzoate derivatives which have protease inhibitory activity'19884,639,435'Pharmaceutical composition suitable for intestinal administration'19874,482,562'Aromatic aminoethanol compounds, and utilization thereof as cardiovascular agents'19844,394,382'Dihydrobenzopyran compounds and pharmaceutical composition comprising said compounds'19834,382,142'Thiadiazole derivatives and process for preparing same'19834,374,840'Certain phenyl or pyridyl-propanol-amines containing alkyl-nitrate moieties'19834,335,247'Novel nitrosourea derivatives and process for their production'19824,290,954'Tetrahydroxanthone derivatives'19814,217,284'Process for preparation of optically pure lactones from monoesters of cis-cyclopentenediol'19804,216,225'Methylmethioninesulfonium compounds, process for their preparation, and pharmaceutical compositions containing them'19804,170,596'Novel monoesters of cis-cyclopentenediol, process for preparation thereof, and process for preparation of lactones from the monoesters'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1990Patents assigned to KOWA CO (13)· patent assignee history
1979Based in Saitama-shi, JP· patent location history
1980–1990Based in Sayama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOWA CO | 13 | 1979–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sayama, JP | 12 | 1980–1990 |
| Saitama-shi, JP | 1 | 1979 |