Materials and methods for improved photoresist performance
US-9851636-B2 · Dec 26, 2017 · US
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Chang Ching-Yu patents
Chang Ching-Yu holds 9 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 9 |
| Recent patents | 0 |
| First publication | Feb 17, 2015 |
| Latest publication | Dec 26, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Photosensitive material and method of photolithography
US-9261786-B2 · Feb 16, 2016 · US
Apparatus and method for developing process
US-9256133-B2 · Feb 9, 2016 · US
Cut-mask patterning process for fin-like field effect transistor (FinFET) device
US-9236267-B2 · Jan 12, 2016 · US
Photosensitive material and method of lithography
US-9213234-B2 · Dec 15, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Materials and methods for improved photoresist performance
US-9851636-B2 · Dec 26, 2017 · US
Photosensitive material and method of photolithography
US-9261786-B2 · Feb 16, 2016 · US
Apparatus and method for developing process
US-9256133-B2 · Feb 9, 2016 · US
Cut-mask patterning process for fin-like field effect transistor (FinFET) device
US-9236267-B2 · Jan 12, 2016 · US
Photosensitive material and method of lithography
US-9213234-B2 · Dec 15, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G03F7/0392 | 4 |
| G03F7/0045 | 4 |
| G03F7/0382 | 3 |
| G03F7/0046 | 2 |
| G03F7/2041 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 9 |
| Electricity | 4 |