Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720516 | apparatus for electric discharge micromachining of a micro-diameter hole | Yoshio Yamada, Takeshi Masaki, Hiroyuki Nakata, Hirofumi Yasumoto, Toshihiko Wada | 2004-04-13 |
| 6700989 | Device for generating, detecting, recording, and reproducing a watermarked moving image having a copy preventing capability and storage medium for storing program or the moving image | Hiroyasu Itoh, Ryota Akiyama | 2004-03-02 |