Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778172 | Method and apparatus for extracting surface from three-dimensional shape data as well as recording medium | Hitoshi Kamezawa, Yoshihisa Abe | 2004-08-17 |
| 6686571 | Heat treatment unit, cooling unit and cooling treatment method | Jun Ookura | 2004-02-03 |