Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816792 | System and method for providing environmental impact information, recording medium recording the information, and computer data signal | Masamitsu Sakurai, Hiroshi Uramoto, Hiromitsu Hatano | 2004-11-09 |
| 6701257 | System and method for providing environmental impact information, recording medium recording the information, and computer data signal | Masamitsu Sakurai, Hiroshi Uramoto, Hiromitsu Hatano | 2004-03-02 |
| 6681188 | System and method for providing environmental management information, recording medium recording the information, and computer data signal | Masamitsu Sakurai, Hiroshi Uramoto, Hiromitsu Hatano | 2004-01-20 |