Inventor
Tuyoshi Tokuda
Inventor
Yachiyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus50%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices50%
PatentTitleYear
5,783,339'Method for preparing a color filter'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1998Based in Yachiyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yachiyo, JP | 1 | 1998 |