Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375010 | Power conversion device, aircraft, and power conversion method | Ryota ASAKURA, Yusuke SHIROUCHI, Tetsuya Kojima | 2025-07-29 |
| 12334814 | Power converter | Yusuke SHIROUCHI | 2025-06-17 |
| 12233793 | Power conversion apparatus, electric power system for aircraft, and method of controlling power conversion apparatus | Junichi NAKASHIMA, Kozo Harada, Kunihiko Tajiri, Yuji Shirakata | 2025-02-25 |
| 12170496 | Motor control device | Hisatoshi Fukumoto, Tomoki TAKEGAMI, Tetsuya Kojima, Akihiko Iwata, Masahiro Sugahara +3 more | 2024-12-17 |
| 12107487 | Power conversion device | Tetsuya Kojima | 2024-10-01 |
| 12074522 | Power conversion device with parallel DC-DC coverters and multiple driving modes | Akihiko Iwata, Hisatoshi Fukumoto | 2024-08-27 |
| 12047015 | Power converter and aircraft equipped with power converter | Yusuke SHIROUCHI, Takayoshi Nagai | 2024-07-23 |
| 12015361 | Motor control device | Hisatoshi Fukumoto, Tomoki TAKEGAMI, Tetsuya Kojima, Akihiko Iwata, Masahiro Sugahara +3 more | 2024-06-18 |
| 11848600 | Power conversion device with control circuit to adjust a common mode voltage of combined output voltages | Masahiro Sugahara, Akihiko Iwata, Hisatoshi Fukumoto | 2023-12-19 |
| 11804788 | Power converter | Tetsuya Kojima, Hisatoshi Fukumoto, Akihiko Iwata | 2023-10-31 |
| 11770057 | Method of preheating unfinished stator | Yoshihiro Okamoto, Yoshihisa Hojo, Keiichi Morinaga, Yuya Iwamoto, Kyouji Okamoto | 2023-09-26 |
| 11349409 | Power conversion device and power conversion system | Tatsuya Okuda, Takahiro Kato | 2022-05-31 |
| 10256747 | Electric power conversion device and electric power conversion system | Takahiro Kato, Yu KAWAI, Kikuo Izumi, Tatsuya Okuda | 2019-04-09 |
| 9442096 | Ultrasonic testing apparatus for pipe or tube end portion and method of setting initial position of probe holder | Hiroshi Kubota, Tomoyuki Obata, Masaki Yamano | 2016-09-13 |
| 9335301 | Ultrasonic testing method and equipment therefor | Masaki Yamano, Hiroshi Shikada | 2016-05-10 |
| 9291584 | Method of steel grade determination for steel material | Hiroshi Kubota | 2016-03-22 |
| 9231513 | Electric motor system | Tsutomu Baba | 2016-01-05 |
| D736385 | Artificial knee joint | Yoshiaki Nakaya | 2015-08-11 |
| 8761444 | Apparatus and method for determining kind of steel material | Takeo Nakata, Masami Ikeda, Kazuhiro Uchida, Makoto Sakamoto | 2014-06-24 |
| 8687850 | Apparatus and method for determining kind of steel material | Takeo Nakata, Masami Ikeda, Makoto Sakamoto, Kazuhiro Uchida | 2014-04-01 |
| 8680355 | Olefin production process | Tsuneyuki Ohkubo, Terunori Fujita | 2014-03-25 |
| 8667847 | Ultrasonic testing apparatus for pipe or tube end portion | Hiroshi Kubota, Tomoyuki Obata, Masaki Yamano | 2014-03-11 |
| 8649196 | Power converting apparatus with an output voltage that is the sum of voltages generated by individual inverters | Akihiko Iwata | 2014-02-11 |
| 8611120 | Power conversion apparatus | Tatsuya Okuda, Akihiko Iwata, Kikuo Izumi | 2013-12-17 |
| 8552239 | Olefin production process | Tsuneyuki Ohkubo, Terunori Fujita, Masayasu Ishibashi | 2013-10-08 |