Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9716642 | System and method for checking entry of meter value from LP gas meter | Shinji Wada | 2017-07-25 |
| 9644992 | Gas meter reading system and meter reading method | Shinji Wada | 2017-05-09 |
| 9639819 | Delivery date determination system and delivery date determination method | Shinji Wada | 2017-05-02 |
| 9582837 | Management system for gas cock opening and closing | Shinji Wada | 2017-02-28 |