Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385806 | Power coupling coefficient measuring method and power coupling coefficient measuring device | Atsushi Nakamura, Daisuke IIDA, Tomokazu Oda | 2025-08-12 |
| 12345555 | Phase measuring method and signal processing device | Yoshifumi Wakisaka, Daisuke IIDA, Keiji Okamoto | 2025-07-01 |
| 12320725 | Several mode fiber test method and several mode fiber test device | Atsushi Nakamura, Tomokazu Oda, Daisuke IIDA | 2025-06-03 |
| 12313449 | Optical pulse test method and optical pulse test equipment | Yoshifumi Wakisaka, Daisuke IIDA | 2025-05-27 |
| 12152957 | Inundation detection system and inundation detection method | Atsushi Nakamura, Nazuki HONDA | 2024-11-26 |
| 12135200 | Information processing equipment, information processing methods, and programs | Toshiya Ohira, Yukihiro Goto, Ryuji HONDA | 2024-11-05 |
| 12117285 | Permittivity measuring device and thickness measuring device | Masaki NAKAMORI, Yukihiro Goto | 2024-10-15 |
| 12094153 | Point cloud analysis device, method, and program | Hitoshi Niigaki, Yasuhiro YAO, Masaaki Inoue, Tomoya Shimizu, Yukihiro Goto +5 more | 2024-09-17 |
| 12031858 | Aerial optical fiber cable inspection method, aerial optical fiber cable inspection device, and program | Tatsuya Okamoto, Daisuke IIDA | 2024-07-09 |
| 12007298 | Fiber optic test methods, fiber optic test equipment, and programs | Nazuki HONDA, Kazutaka NOTO | 2024-06-11 |
| 11994376 | Distributed vibration measuring device and method | Tatsuya Okamoto, Daisuke IIDA | 2024-05-28 |
| 11965758 | Brillouin optical sensing device and optical sensing method | Atsushi Nakamura, Chihiro KITO, Daisuke IIDA, Junichi Kawataka | 2024-04-23 |
| 11948319 | Structure detection apparatus, structure detection method, and structure detection processing program | Masaaki Inoue, Tomoya Shimizu, Ryuji HONDA | 2024-04-02 |
| 11922650 | Point cloud analysis device, estimation device, point cloud analysis method, and program | Hitoshi Niigaki, Masaki Waki, Masaaki Inoue, Yasuhiro YAO, Tomoya Shimizu +3 more | 2024-03-05 |
| 11906387 | Test method and test device for mode field diameter | Atsushi Nakamura, Daisuke IIDA | 2024-02-20 |
| 11879803 | Optical fiber evaluation method and optical fiber evaluation apparatus | Tomokazu Oda, Daisuke IIDA, Atsushi Nakamura, Yuto SAGAE | 2024-01-23 |
| 11867555 | Phase measurement method and signal processing device | Yoshifumi Wakisaka, Daisuke IIDA, Kunihiro Toge | 2024-01-09 |
| 11860028 | Vibration detection method with improved signal processing | Yoshifumi Wakisaka, Daisuke IIDA, Keiji Okamoto | 2024-01-02 |
| 11828676 | Optical pulse reflectometry and optical pulse reflectometer | Atsushi Nakamura, Keiji Okamoto | 2023-11-28 |
| 11823330 | Detection device, detection method and detection program for linear structure | Masaaki Inoue, Hitoshi Niigaki, Yukihiro Goto, Shigehiro MATSUDA, Toshiya Ohira +2 more | 2023-11-21 |
| 11802809 | Backscattering optical amplification device, optical pulse testing device, backscattering optical amplification method and optical pulse testing method | Keiji Okamoto, Atsushi Nakamura | 2023-10-31 |
| 11788909 | Measuring device and measuring method using tape core wire | Atsushi Nakamura, Daisuke IIDA, Tatsuya Okamoto, Tomokazu Oda, Yoshifumi Wakisaka | 2023-10-17 |
| 11788928 | Light intensity distribution measurement method and light intensity distribution measurement device | Tomokazu Oda, Yoshifumi Wakisaka, Daisuke IIDA | 2023-10-17 |
| 11754465 | Optical pulse testing device and optical pulse testing method | Atsushi Nakamura, Nazuki HONDA, Daisuke IIDA, Keiji Okamoto | 2023-09-12 |
| 11750283 | Optical fiber route search method, optical fiber route search device and program | Daisuke IIDA, Nazuki HONDA, Tatsuya Okamoto, Yoshifumi Wakisaka | 2023-09-05 |