Inventor
Ryuichiro Takasaki
Inventor
Yokohama, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
B41CProcesses for the manufacture or reproduction of printing surfaces13%
G02BOptical elements, systems or apparatus13%
B41NPrinting plates or foils8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
PatentTitleYear
6,544,720'Photosensitive composition, image-forming material and image-forming method employing it'20036,232,038'Photosensitive composition, image-forming material and image-forming method employing it'20016,048,653'Polymerizable composition for a color filter'20005,916,713'Polymerizable composition for a color filter'19995,914,206'Color filter and black resist composition'19995,814,431'Photosensitive composition and lithographic printing plate'19985,800,952'Photopolymerizable composition for a color filter, color filter and liquid display device'19985,529,885'Negative photosensitive composition and method for forming patterns using the composition'19964,725,523'Positive photosensitive compositions with 1,2-naphthoquinone diazide and novolak resin prepared from .alpha.-naphthol and p-cresol'19884,650,741'Positive photosensitive composition of cocondensed .beta.-naphthol and m-cresol with aldehyde in admixture with sulfonyl triester of a 1,2-naphthoquinone-1-diazide'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1988Patents assigned to MITSUBISHI CHEM IND (2)· patent assignee history
1987–2000Based in Yokohama, JP· patent location history
1996–2003Patents assigned to MITSUBISHI CHEM CORP (8)· patent assignee history
1996Based in Machida, JP· patent location history
1998–2003Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM CORP | 8 | 1996–2003 |
| MITSUBISHI CHEM IND | 2 | 1987–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 6 | 1987–2000 |
| Kanagawa, JP | 3 | 1998–2003 |
| Machida, JP | 1 | 1996 |