Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828075 | Carrier for electrophotography and developer using the same | Satoshi Mochizuki, Yasuo Asahina, Kazuhiko Umemura, Hideki Sugiura, Minoru Masuda +1 more | 2004-12-07 |
| 6825932 | Method for measuring optical feature of exposure apparatus and exposure apparatus having means for measuring optical feature | Masayuki Murayama | 2004-11-30 |