Inventor
Kazuo Tokubo
Inventor
Yokohama, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes16%
A61QSpecific use of cosmetics or similar toiletry preparations16%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds13%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties13%
C01BNon-metallic elements10%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments10%
G11BInformation storage based on relative movement between record carrier and transducer10%
Y10TTechnical subjects covered by former us classification10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
5,165,915'Spherical clay mineral powder, process for production thereof and composition containing the same'19925,064,644'Water-in-oil emulsion type cosmetic composition'19914,882,225'Modified powder or particulate material'19894,818,614'Modified powder'19894,801,445'Cosmetic compositions containing modified powder or particulate material'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to SHISEIDO CO LTD (5)· patent assignee history
1989–1992Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHISEIDO CO LTD | 5 | 1989–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1989–1992 |