Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799510 | Method for correcting mask pattern, photomask, method for fabricating photomask, electron beam writing method for fabricating photomask, exposure method, semiconductor device, and method for fabricating semiconductor device | Kazuhisa Ogawa, Satomi Nakamura | 2010-09-21 |
| 7767364 | Method for correcting mask pattern, photomask, method for fabricating photomask, electron beam writing method for fabricating photomask, exposure method, semiconductor device, and method for fabricating semiconductor device | Kazuhisa Ogawa, Satomi Nakamura | 2010-08-03 |
| 7384710 | Method of forming exposure mask pattern, exposure mask pattern, and method of producing semiconductor device | Kazuhisa Ogawa | 2008-06-10 |
| 7139996 | Mask pattern correction apparatus and mask pattern correction method and mask preparation method and method of production of a semiconductor device | Hidetoshi Ohnuma | 2006-11-21 |
| 6723704 | Sphingoglycolipid | Katsumi Murata | 2004-04-20 |
| 5672693 | Glycosphingolipids | — | 1997-09-30 |