Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7333718 | Work data collection method | Takeshi Yoshikawa, Koichi Takahashi, Yuko Endo, Yoshio Obara | 2008-02-19 |
| 7272461 | Work data collection method | Takeshi Yoshikawa, Koichi Takahashi, Yuko Endo, Yoshio Obara | 2007-09-18 |
| 7103437 | Work data collection method | Takeshi Yoshikawa, Koichi Takahashi, Yuko Endo, Yoshio Obara | 2006-09-05 |
| 6270638 | Pyro-sensor and pyro-control circuit | — | 2001-08-07 |