Inventor
Keikichi Sugiyama
Inventor
Kanagawa, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes40%
A61QSpecific use of cosmetics or similar toiletry preparations40%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07KPeptides7%
PatentTitleYear
5,439,676'cAMP derivatives and use thereof for preventing or restoring grayed hair to its natural color'19955,378,453'Composition for preventing graying of the hair and restoring grayed hair to its natural color'19955,376,643'Composition for application to hair'19945,318,776'Composition for preventing graying of the hair'19945,126,327'Melanocyte-stimulating hormone inhibitor and external preparation containing the same'19925,017,368'Composition for application to hair or scalp'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Patents assigned to KEIKICHI SUGIYAMA (1)· patent assignee history
1991Based in Naka-machi, JP· patent location history
1992–1995Patents assigned to LION CORP (5)· patent assignee history
1992–1995Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LION CORP | 5 | 1992–1995 |
| KEIKICHI SUGIYAMAself | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 1992–1995 |
| Naka-machi, JP | 1 | 1991 |