Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6707448 | Touch control position determining method control pad | Yoshimasa Kunimatsu, Chikao Nagasaka | 2004-03-16 |
| 6708115 | Vehicle speedometer | Chikao Nagasaka, Yoshimasa Kunimatsu, Toshiyuki Isogai | 2004-03-16 |