| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Radio-controlled time-pieces | |
| #2 | Electromechanical clocks | |
| #3 | Antennas | |
| #4 | Electronic time-pieces | |
| #5 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fujisawa Teruhiko | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2009034372A1 | Time adjustment device, timekeeping device with a time adjustment device, and a time adjustment method |