Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429514 | Partial discharge measurement system that includes a first bandpass filter and a second bandpass filter and partial discharge measurement method | Takashi Harakawa, Akira Fujimoto, Satoshi Hiroshima | 2025-09-30 |
| 12210050 | Partial discharge measurement apparatus, partial discharge measurement method, and partial discharge measurement system | Akira Fujimoto, Takashi Harakawa, Hirotaka Tsubakihara | 2025-01-28 |
| 11579180 | Insulation diagnostic system and insulation diagnostic method | Takashi Harakawa, Akira Fujimoto, Satoshi Hiroshima, Kazunori Shioda | 2023-02-14 |
| 9841279 | Apparatus and method for quantitative evaluation of braze bonding length with use of radiation | Ryosuke Ohirabaru, Kazuya Segawa, Hideyuki Nakamura, Shigeru Harada, Fumio Sato +3 more | 2017-12-12 |