Issued Patents All Time
Showing 1–9 of 9 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 | Makoto Takanezawa, Akira Fujimoto, Satoshi Hiroshima | 2025-09-30 |
| 12210050 | Partial discharge measurement apparatus, partial discharge measurement method, and partial discharge measurement system | Akira Fujimoto, Makoto Takanezawa, Hirotaka Tsubakihara | 2025-01-28 |
| 11901774 | Rotor with coil airflow paths | Shinji Kubo, Yasuo Kabata, Yoshihiro Taniyama, Ryo Fuchimoto, Koji Ando | 2024-02-13 |
| 11579180 | Insulation diagnostic system and insulation diagnostic method | Makoto Takanezawa, Akira Fujimoto, Satoshi Hiroshima, Kazunori Shioda | 2023-02-14 |
| 10770945 | Rotating electrical machine coil | Hidehito Matsuzaki, Tetsushi Okamoto, Fumio Sawa, Miki Nakamura, Atsushi Yamamoto +6 more | 2020-09-08 |
| 10082035 | Erosion resistant material and turbine blade | Tetsushi Okamoto, Fumio Sawa, Kenichi Yamazaki, Hiroaki Cho, Naoki Shibukawa +4 more | 2018-09-25 |
| 8421302 | Rotating electrical machine and coil | Tetsushi Okamoto, Yoshiyuki Inoue, Tooru Ootaka, Hiroshi Hatano, Mikio Kakiuchi +6 more | 2013-04-16 |
| 7063414 | Ink jet recording apparatus | — | 2006-06-20 |
| 6555178 | Process and apparatus for nickel plating and nickel-plated product | Hideaki Nonaka | 2003-04-29 |