Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955122 | Conductive contact unit | Jun Tominaga, Koji Ishikawa | 2011-06-07 |
| 7942677 | Conductive contact and conductive contact unit | Koji Ishikawa, Jun Tominaga | 2011-05-17 |
| 7866986 | Conductive contact unit and conductive contact | Koji Ishikawa, Jun Tominaga | 2011-01-11 |
| 7789707 | Conductive contact unit | Jun Tominaga, Koji Ishikawa | 2010-09-07 |