Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494288 | Acoustic logging tool | Jahir Pabon, Frank J. Morris, Hitoshi Sugiyama, David C. Hoyle, David Leslie +1 more | 2002-12-17 |
| 6474439 | Dipole logging tool | David C. Hoyle, Benoit Froelich, Alain Brie, Hiroshi Hori, Hitoshi Sugiyama +2 more | 2002-11-05 |
| 6344107 | Automatic deposition machine | Takao Shigihara, Takeshi Ito, Kazuto Sawada | 2002-02-05 |