Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750000 | Electron device manufacturing method, a pattern forming method, and a photomask used for those methods | Toshihiko Tanaka, Norio Hasegawa, Hidetoshi Satoh | 2004-06-15 |
| 6703171 | Photomask, the manufacturing method, a patterning method, and a semiconductor device manufacturing method | Takashi Hattori, Yasuko Gotoh, Hidetoshi Satoh, Toshihiko Tanaka | 2004-03-09 |