Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414452 | Waveform control device for vibrating tables and method thereof | Yukihito Okuda, Akihiro Maekawa, Takaharu Hiroe | 2002-07-02 |
| D454590 | Cap of ball-point pen | — | 2002-03-19 |