Inventor
Naohiko Kiryu
Inventor
Urawa, JP
Overview
Patents· 8 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 devices47%
Y10TTechnical subjects covered by former us classification41%
C08JWorking-up6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
PatentTitleYear
5,368,962'Masking film'19945,318,874'O-naphthoquinone diazide photosensitive coating composition containing a polyvinyl pyrrolidone compound and a stannic halide'19945,316,843'Matted film containing a matting agent consisting of an organic filler and an inorganic filler'19945,043,198'Lightsafe masking film'19915,009,944'Lightsafe masking film'19914,937,116'Lightsafe masking film'19904,925,713'Lightsafe masking film'19904,923,727'Lightsafe masking film'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to SOMAR CORP (8)· patent assignee history
1990–1994Based in Urawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SOMAR CORP | 8 | 1990–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Urawa, JP | 8 | 1990–1994 |