Inventor
Shiro Yamamiya
Inventor
Tokyo, JP
Overview
Patents· 4 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. pigments27%
C09DCoating compositions, e.g. paints, varnishes or lacquers27%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices18%
B41MPrinting, duplicating, marking, or copying processes9%
G02BOptical elements, systems or apparatus9%
G03CPhotosensitive materials for photographic purposes9%
PatentTitleYear
6,302,953'Pigment dispersions for color filters, fabrication process of color filters, and color filters'20016,299,676'Pigment dispersants, pigment dispersions and writing or recording pigment inks'20015,961,711'Pigment dispersant, pigment dispersion, and pigment dispersion for color filter'19994,869,532'Prints and production method thereof'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2001Patents assigned to DAINICHISEIKA COLOR CHEM (4)· patent assignee history
1989–2001Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAINICHISEIKA COLOR CHEM | 4 | 1989–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1989–2001 |