Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6934118 | Car disk drive unit | Kenji Hidaka, Yasuo Takano, Katsushi Tanka | 2005-08-23 |
| 6749112 | Method and program for visitor pass system | Hirohito Terada, Junji Takayoshi | 2004-06-15 |