Positioning method of electric pole and estimating method of the state of overhead optical fiber cable
US-12553769-B2 · Feb 17, 2026 · US
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Iida Daisuke patents
Iida Daisuke is listed as an inventor on 100 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Iida Daisuke |
| Total patents | 100 |
| First publication | Jun 2, 2015 |
| Latest publication | Feb 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Optical path testing device and optical path testing method
US-2026043685-A1 · Feb 12, 2026 · US
Optical path testing device and optical path testing method
US-2026029256-A1 · Jan 29, 2026 · US
Light-emitting diode element
US-12538612-B2 · Jan 27, 2026 · US
Coherent optical measuring device for facility line test
US-12529594-B2 · Jan 20, 2026 · US
Lithium secondary battery
US-2026018677-A1 · Jan 15, 2026 · US
Overhead optical cable test system and method
US-12504321-B2 · Dec 23, 2025 · US
Distributed acoustic sensing device and method
US-12498257-B2 · Dec 16, 2025 · US
Vibration detection device and vibration detection method
US-12442682-B2 · Oct 14, 2025 · US
Optical fiber sensing system and optical fiber sensing method
US-2025305856-A1 · Oct 2, 2025 · US
Recent patents
Latest publications not already listed above.
Devices and methods for measuring the amount of frequency modulation
US-12399079-B2 · Aug 26, 2025 · US
Power coupling coefficient measuring method and power coupling coefficient measuring device
US-12385806-B2 · Aug 12, 2025 · US
Brillouin gain spectrum distribution measurement method and equipment
US-12388527-B2 · Aug 12, 2025 · US
Optical fiber sensing device and optical fiber sensing method
US-2025237533-A1 · Jul 24, 2025 · US
Phase measuring method and signal processing device
US-12345555-B2 · Jul 1, 2025 · US
Several mode fiber test method and several mode fiber test device
US-12320725-B2 · Jun 3, 2025 · US
Optical pulse test method and optical pulse test equipment
US-12313449-B2 · May 27, 2025 · US
Optical fiber measurement system, optical fiber measurement method, control arithmetic device, and program
US-12313489-B2 · May 27, 2025 · US
Signal processing method and signal processing equipment
US-2025155277-A1 · May 15, 2025 · US
Technique for analyzing a spectrum of backscattered light in an optical fiber
US-12298159-B2 · May 13, 2025 · US
Optical communication underground equipment location mapping system, optical communication underground equipment location mapping method, and optical communication underground equipment location mapping device
US-2025123415-A1 · Apr 17, 2025 · US
Signal processing device, vibration detection system, and signal processing method
US-2025123138-A1 · Apr 17, 2025 · US
Amount of snowfall estimation system and amount of snowfall estimation method
US-2025028078-A1 · Jan 23, 2025 · US
Optical semiconductor element
US-12199210-B2 · Jan 14, 2025 · US
Optical pulse test method and optical pulse test equipment
US-2025003789-A1 · Jan 2, 2025 · US
Optical semiconductor element
US-2024421175-A1 · Dec 19, 2024 · US
Honeycomb-type ceramic positive electrode and lithium-ion secondary battery provided with same
US-2024339588-A1 · Oct 10, 2024 · US
Lithium secondary battery
US-2024332522-A1 · Oct 3, 2024 · US
System for supporting reuse of lithium-ion secondary battery
US-2024297358-A1 · Sep 5, 2024 · US
Signal processing method and signal processing device
US-2024295433-A1 · Sep 5, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nippon Telegraph & Telephone | 72 |
| Hamamatsu Photonics Kk | 8 |
| Ntt Inc | 6 |
| Ngk Insulators Ltd | 6 |
| Eisai R&D Man Co Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01H9/004 | 40 |
| G01D5/35358 | 27 |
| H04B10/071 | 16 |
| G01D5/35361 | 13 |
| G01B11/16 | 11 |