Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893720 | Object coated with carbon film and method of manufacturing the same | Akira Doi, Yoshihiro Izumi, Hajime Kuwahara | 2005-05-17 |
| 6838174 | Object being in contact with human skin when used | — | 2005-01-04 |