Inventor
Ken Furukawa
Inventor
Ibaraki, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds25%
C07CAcyclic or carbocyclic compounds23%
Y02PClimate change mitigation technologies in the production or processing of goods20%
B41MPrinting, duplicating, marking, or copying processes8%
B41JTypewriters5%
A61KPreparations for medical, dental or toiletry purposes3%
B44CProducing decorative effects3%
B44FSpecial designs or pictures3%
C07HSugars3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
PatentTitleYear
8,207,144'Sodium salt of disaccharide compound, production method and use of same'20127,375,236'Methods for producing cyclic benzamidine derivatives'20086,857,735'Method for transferring a color image'20056,750,175'Unidirectionally penetrable ornamental film'20046,652,087'Image formation'20035,700,938'Intermediates for imidazopyridine derivatives'19975,637,716'Processes for the preparation of hydroquinone and benzoquinone derivatives'19975,618,969'Intermediates for imidazopyridines'19975,608,068'Process for the preparation of imidazopyridine derivatives and intermediates'19975,587,504'Sulfonyloxy-biphenylcarboxylic ester derivatives which are intermediates'19965,583,229'Process for the preparation of imidazopyridine derivatives'19965,559,236'Intermediates for substituted biphenylmethylmidazopyridine angiotensin II antagonists'19965,557,002'Process for the preparation of biphenyl containing intermediates useful in making angiotensin II receptor antagonists'19965,554,757'Process for the preparation of imidazopyridine derivatives, and intermediates therefore'19964,143,719'Multi-vibro pile hammer'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979Based in Zushi, JP· patent location history
1996–2008Patents assigned to EISAI CO LTD (10)· patent assignee history
1996–1997Patents assigned to EISAI KAGAKU KK (6)· patent assignee history
1996–1997Based in Ibaraki, JP· patent location history
1997Patents assigned to EISAI CHEMICAL (1)· patent assignee history
2003–2005Based in Sakura-shi, JP· patent location history
2008–2012Based in Kashima, JP· patent location history
2012Patents assigned to EISAI R&D MAN CO LTD (1)· patent assignee history
2012Patents assigned to FURUKAWA KEN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EISAI CO LTD | 10 | 1996–2008 |
| EISAI KAGAKU KK | 6 | 1996–1997 |
| EISAI CHEMICAL | 1 | 1997 |
| EISAI R&D MAN CO LTD | 1 | 2012 |
| FURUKAWA KENself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 9 | 1996–1997 |
| Sakura-shi, JP | 3 | 2003–2005 |
| Kashima, JP | 2 | 2008–2012 |
| Zushi, JP | 1 | 1979 |