Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156476 | Positive photoresist composition | Naoki Takeyama, Hiromi Ueki, Yuji Ueda, Takehiro Kusumoto | 2000-12-05 |
| 5585218 | Photoresist composition containing alkyletherified polyvinylphenol | Naoki Takeyama, Yuji Ueda, Takehiro Kusumoto, Hiromi Oka | 1996-12-17 |