Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479788 | Method and apparatus of making a hole in a printed circuit board | Hiroshi Aoyama, Hideo Ueno | 2002-11-12 |
| 6464797 | Method of separating electrophotographic carrier compositions and recycling the compositions | Kunitoshi Sugiyama, Yoshihiko Itoh, Hideyuki Santoh, Tadafumi Ajiri | 2002-10-15 |
| 6458407 | Process for producing essential oil by subcritical or supercritical water treatment | Wataru Miki, Koichi Nakahara, Takahisa Fujii, Kenzoh Nagami | 2002-10-01 |