Inventor
Hiroyuki Sasaki
Inventor
Yao, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form17%
C07DHeterocyclic compounds17%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments17%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
G02BOptical elements, systems or apparatus17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to KYOWA HAKKO KOGYO KK (1)· patent assignee history
1998Based in Bryn Mawr, PA, US· patent location history
2021Patents assigned to YAMAMOTO CHEMICALS INC (1)· patent assignee history
2021Based in Yao, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KYOWA HAKKO KOGYO KK | 1 | 1998 |
| YAMAMOTO CHEMICALS INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yao, JP | 1 | 2021 |
| Bryn Mawr, Pennsylvania, US | 1 | 1998 |