Ryuta Sugiyama
9Patents
1h-index
10Co-inventors
40Inventor score
Filing activity: Apr 6, 2012 → Apr 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11695473B2 | Time comparison system, time comparison device, and time comparison method | Electricity | 1 | Active |
| US8956467B2 | Composite steel part and manufacturing method for the same | Chemistry; Metallurgy | 0 | Active |
| US11196499B2 | Time synchronization device and time synchronization method | Electricity | 0 | Active |
| US11240141B2 | Time path selection device and time path selection method | Electricity | 0 | Active |
| US11927923B2 | Time synchronization system, management device, time synchronization method, and program | Electricity | 0 | Active |
| US11815552B2 | Clock frequency monitoring device and clock frequency monitoring method | Electricity | 0 | Active |
| US11196533B2 | Time synchronization system and time synchronization method | Electricity | 0 | Active |
| US11881900B2 | Transceiver, spatial light frequency transmission system and spatial light frequency transmission method | Electricity | 0 | Active |
| US11196535B2 | Time synchronization system and time synchronization method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.