Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9842567 | Electronic chart display device and method of displaying information relating to electronic chart | Ryu Shimizutani, Masato Okuda, Masami Tagawa, Takatoshi Morita, Petri Turkulainen | 2017-12-12 |
| 9612120 | Route planning apparatus and route plan verifying method | Ryu Shimizutani, Masato Okuda, Masami Tagawa, Takatoshi Morita | 2017-04-04 |
| 9214132 | Electronic chart display device and method of displaying information relating to electronic chart | Ryu Shimizutani, Masato Okuda, Masami Tagawa, Takatoshi Morita, Petri Turkulainen | 2015-12-15 |