Inventor
Ryoichi Takasu
Inventor
Kawasaki, 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 digests35%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
C07CAcyclic or carbocyclic compounds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
PatentTitleYear
8,198,004'Resist composition'20127,989,138'Fluorine-containing compound, resist composition for immersion exposure, and method of forming resist pattern'20117,914,968'Positive resist composition and method of forming resist pattern'20117,914,967'Fluorine-containing compound, resist composition for immersion exposure, and method of forming resist pattern'20117,541,138'Resist composition'20097,527,909'Resist composition'20097,501,220'Resist composition'20097,371,510'Material for forming resist protecting film for use in liquid immersion lithography process, composite film, and method for forming resist pattern'20087,326,512'Polymer compound, resist composition and dissolution inhibitor agent containing the polymer compound'20086,936,400'Negative resist composition'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2012Patents assigned to TOKYO OHKA KOGYO CO LTD (10)· patent assignee history
2005–2012Based in Kawasaki, JP· patent location history
2008Based in Kanagawa, JP· patent location history
2012Patents assigned to FUJIMURA SATOSHI (1)· patent assignee history
2012Patents assigned to HADA HIDEO (1)· patent assignee history
2012Patents assigned to HIRAYAMA TAKU (1)· patent assignee history
2012Patents assigned to ISHIDUKA KEITA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOKYO OHKA KOGYO CO LTD | 10 | 2005–2012 |
| FUJIMURA SATOSHI | 1 | 2012 |
| HADA HIDEO | 1 | 2012 |
| HIRAYAMA TAKU | 1 | 2012 |
| ISHIDUKA KEITA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 9 | 2005–2012 |
| Kanagawa, JP | 1 | 2008 |