Inventor
Takuma Ikeda
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07DHeterocyclic compounds25%
A61KPreparations for medical, dental or toiletry purposes17%
C07HSugars17%
C07CAcyclic or carbocyclic compounds8%
C07JSteroids8%
PatentTitleYear
9,163,051'Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives'20159,133,174'Method for producing coumarin derivative'20158,569,520'Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives'20138,212,059'Process for producing vitamin D derivative using photoreaction'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to CHUGAI PHARMACEUTICAL CO LTD (4)· patent assignee history
2012–2015Patents assigned to IKEDA TAKUMA (3)· patent assignee history
2012–2013Patents assigned to KAWASE AKIRA (2)· patent assignee history
2012Patents assigned to HANEISHI TSUYOSHI (1)· patent assignee history
2012–2015Based in Tokyo, JP· patent location history
2013–2015Patents assigned to MURAKATA MASATOSHI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHUGAI PHARMACEUTICAL CO LTD | 4 | 2012–2015 |
| IKEDA TAKUMAself | 3 | 2012–2015 |
| KAWASE AKIRA | 2 | 2012–2013 |
| MURAKATA MASATOSHI | 2 | 2013–2015 |
| HANEISHI TSUYOSHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2012–2015 |