Inventor · disambiguated record
Ryuta Sugiyama
Also filed as: SUGIYAMA RYUTA
9 granted patents·3 pending applications·2 citations·filing 2012–2020
74Inventor score
Top patents by PatentIndex Score
12 records- 0181US11695473B2Time comparison system, time comparison device, and time comparison methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 4, 2023·2 cites·18 claims
- 0252US11815552B2Clock frequency monitoring device and clock frequency monitoring methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·6 claims
- 0351US11881900B2Transceiver, spatial light frequency transmission system and spatial light frequency transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 23, 2024·0 cites·12 claims
- 0448US11927923B2Time synchronization system, management device, time synchronization method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Mar 12, 2024·0 cites·6 claims
- 0547US8956467B2Composite steel part and manufacturing method for the sameOBAYASHI KOJI·Filed 2012·Granted Feb 17, 2015·0 cites·2 claims
- 0647US2023267541A1Message processing server, program and message processing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
- 0744US11196535B2Time synchronization system and time synchronization methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 7, 2021·0 cites·4 claims
- 0843US11240141B2Time path selection device and time path selection methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 1, 2022·0 cites·7 claims
- 0941US11196533B2Time synchronization system and time synchronization methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 7, 2021·0 cites·4 claims
- 1041US11196499B2Time synchronization device and time synchronization methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 7, 2021·0 cites·11 claims
- 1141US2022376783A1Receiver, transceiver, spatial optical frequency transmission system, and spatial optical frequency transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 1240US2023288182A1Optical complex amplitude measurement device and optical complex amplitude measurement methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →