Optical coupling device and optical coupling system
US-12474527-B2 · Nov 18, 2025 · US
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Manabe Tetsuya patents
Manabe Tetsuya is listed as an inventor on 38 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Manabe Tetsuya |
| Total patents | 38 |
| First publication | Dec 31, 2020 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Optical-fiber path searching method, optical-fiber path searching system, signal processing device, and program
US-11976962-B2 · May 7, 2024 · US
Vibration distribution measuring system, vibration waveform analysis method, vibration waveform analyzing device, and analyzing program
US-11920974-B2 · Mar 5, 2024 · US
Optical coupling device and optical coupling system
US-2023314715-A1 · Oct 5, 2023 · US
Optical coupling device and optical coupling system
US-2023280536-A1 · Sep 7, 2023 · US
Manhole position specification method and manhole position specification system
US-11644347-B2 · May 9, 2023 · US
Simulation signal light generation device and simulation signal light generation method
US-11575981-B2 · Feb 7, 2023 · US
Raman gain efficiency distribution testing method, and Raman gain efficiency distribution testing device
US-11519817-B2 · Dec 6, 2022 · US
Optical fiber loss measurement device and optical fiber loss measurement method
US-11402295-B2 · Aug 2, 2022 · US
Optical frequency multiplexing coherent OTDR, testing method, signal processing device, and program
US-11385127-B2 · Jul 12, 2022 · US
Recent patents
Latest publications not already listed above.
Optical fiber side input/output device and design method
US-11385424-B2 · Jul 12, 2022 · US
Optical device loss measurement apparatus, and optical device loss measurement method
US-11385128-B2 · Jul 12, 2022 · US
Environmental characteristic measurement device and environmental characteristic measurement method
US-11385082-B2 · Jul 12, 2022 · US
Propagation characteristic analysis device and propagation characteristic analysis method
US-11378489-B2 · Jul 5, 2022 · US
Raman gain efficiency distribution testing method, and raman gain efficiency distribution testing device
US-2022113220-A1 · Apr 14, 2022 · US
Optical spectral line width calculation method, device, and program
US-11300455-B2 · Apr 12, 2022 · US
Optical fiber lateral input/output device
US-11300731-B2 · Apr 12, 2022 · US
Distributed optical fiber vibration measurement device and distributed optical fiber vibration measurement method
US-11280668-B2 · Mar 22, 2022 · US
Heated tobacco product
US-2022030934-A1 · Feb 3, 2022 · US
Heated tobacco product
US-2022030936-A1 · Feb 3, 2022 · US
Optical pulse testing device and optical pulse testing method
US-11199473-B2 · Dec 14, 2021 · US
Optical Device Loss Measurement Apparatus, and Optical Device Loss Measurement Method
US-2021381925-A1 · Dec 9, 2021 · US
Optical Fiber Loss Measurement Device and Optical Fiber Loss Measurement Method
US-2021310897-A1 · Oct 7, 2021 · US
Distributed Optical Fiber Vibration Measurement Device and Distributed Optical Fiber Vibration Measurement Method
US-2021278272-A1 · Sep 9, 2021 · US
Optical fiber monitoring method, and optical fiber monitoring system
US-11112332-B2 · Sep 7, 2021 · US
Optical frequency multiplexing coherent otdr, testing method, signal processing device, and program
US-2021262892-A1 · Aug 26, 2021 · US
Manhole Position Specification Method and Manhole Position Specification System
US-2021255005-A1 · Aug 19, 2021 · US
Optical pulse testing device and optical pulse testing method
US-2021239567-A1 · Aug 5, 2021 · US
Optical fiber side input/output device and design method
US-2021231892-A1 · Jul 29, 2021 · US
Optical-fiber path searching method, optical-fiber path searching system, signal processing device, and program
US-2021223095-A1 · Jul 22, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nippon Telegraph & Telephone | 35 |
| Japan Tobacco Inc | 2 |
| Ntt Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01H9/004 | 8 |
| G01D5/35358 | 8 |
| H04B10/071 | 6 |
| G01M11/3145 | 6 |
| G01M11/3109 | 6 |