Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7144674 | Positive resist composition | Masumi Suetsugu, Koshiro Ochiai | 2006-12-05 |
| 6953651 | Chemical amplifying type positive resist composition | Junji Nakanishi, Yasunori Uetani | 2005-10-11 |
| 6762007 | Chemical amplification type positive resist composition | Masumi Suetsugu, Koshiro Ochiai | 2004-07-13 |
| 6696218 | Chemical amplification type positive resist composition | Kunihiro Ichimura, Tsugio Okudaira, Masumi Suetsugu, Yasunori Uetani | 2004-02-24 |
| 6645692 | Photoresist composition | — | 2003-11-11 |
| 5849457 | Positive-working quinonediazide sulfonic acid ester resist composition utilizing solvent system including 2-heptanone, ethyl lactate, and .gamma. - | Kaoru Tatekawa, Hiroshi Moriuma, Yasunori Uetani | 1998-12-15 |