Issued Patents All Time
Showing 1–8 of 8 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, Takashi Harakawa, Akira Fujimoto | 2025-09-30 |
| 12064686 | Information processing system and information processing method | Keita Ueda, Keisuke Kumagai | 2024-08-20 |
| 11579180 | Insulation diagnostic system and insulation diagnostic method | Takashi Harakawa, Makoto Takanezawa, Akira Fujimoto, Kazunori Shioda | 2023-02-14 |
| 11471770 | Game program, game server, game system, and game device | Kodai Wada, Kunihiko Matsuda | 2022-10-18 |
| 10444273 | Partial discharge measurement device | Tomomi Ikegami, Tetsuo Yoshimitsu, Takayuki Sakurai, Tatsuya Hirose, Yuji Yamamoto | 2019-10-15 |
| 9431166 | Inductor and method of manufacturing the same | Tetsu SHIJO, Tetsushi Okamoto, Masahiro Sakai, Shuichi Obayashi, Akiko Yamada | 2016-08-30 |
| 9322881 | Partial discharge measurement system and partial discharge measurement method by repeated impulse voltage | Takayuki Sakurai, Hiroyuki Ogawa, Tetsuo Yoshimitsu, Tatsuya Hirose | 2016-04-26 |
| 9197201 | Impulse voltage generation device | Hiroyuki Ogawa, Takayuki Sakurai, Tetsuo Yoshimitsu, Tatsuya Hirose, Masayuki Hikita +2 more | 2015-11-24 |