Inventor
Kunio Kataoka
Inventor
Fuji, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments29%
A61KPreparations for medical, dental or toiletry purposes14%
A61QSpecific use of cosmetics or similar toiletry preparations14%
B01DSeparation14%
D06PDyeing or printing textiles14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
7,846,303'Multi-structure internal heat exchange type distillation tower'20105,358,538'Process for production of black coloring material and cosmetics containing said black coloring material and use thereof'19945,244,469'Process for preparation of black coloring materials and application thereof: chitosan treated with black extract of lithospermum root'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to IHARA CHEMICAL IND CO (2)· patent assignee history
1993–1994Based in Fuji, JP· patent location history
2010Patents assigned to KANSAI CHEM ENG (1)· patent assignee history
2010Based in Amagasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IHARA CHEMICAL IND CO | 2 | 1993–1994 |
| KANSAI CHEM ENG | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fuji, JP | 2 | 1993–1994 |
| Amagasaki, JP | 1 | 2010 |