Mask blank, mask blank with negative resist film, phase shift mask, and method for producing pattern formed body using same
US-9874808-B2 · Jan 23, 2018 · US
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Watanabe Hiroshi patents
Watanabe Hiroshi is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Watanabe Hiroshi |
| Total patents | 2 |
| First publication | Jul 7, 2016 |
| Latest publication | Jan 23, 2018 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Dainippon Printing Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G03F1/32 | 2 |
| G03F7/32 | 2 |
| G03F1/26 | 2 |
| G03F1/20 | 2 |
| H10P76/4085 | 2 |