Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7333718 | Work data collection method | Takeshi Yoshikawa, Koichi Takahashi, Masaya Kaneko, Yuko Endo | 2008-02-19 |
| 7272461 | Work data collection method | Takeshi Yoshikawa, Koichi Takahashi, Masaya Kaneko, Yuko Endo | 2007-09-18 |
| 7103437 | Work data collection method | Takeshi Yoshikawa, Koichi Takahashi, Masaya Kaneko, Yuko Endo | 2006-09-05 |