Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12170497 | Inverter control device and electric vehicle system | Toshiyuki Ajima, Takafumi Hara, Hirokazu Matsui, Kiyoshi Kuroda | 2024-12-17 |
| 12149183 | Inverter control device and electric vehicle system | Takafumi Hara, Toshiyuki Ajima, Kiyoshi Kuroda, Yoshinori Aoshima | 2024-11-19 |
| 11984821 | Inverter control device | Toshiyuki Ajima, Takafumi Hara, Hirokazu Matsui | 2024-05-14 |
| 11646690 | Motor control device and electric vehicle system | Takafumi Hara, Midori Takaoka, Toshiyuki Ajima, Hirokazu Matsui | 2023-05-09 |
| 11558000 | Motor control device and electric vehicle system using the same | Takafumi Hara, Toshiyuki Ajima | 2023-01-17 |
| 10873285 | Inverter drive device and electrically driven vehicle system using the same | Takafumi Hara, Toshiyuki Ajima, Katsuhiro Hoshino, Kazuto Oyama | 2020-12-22 |
| 10826410 | Inverter device and electric vehicle | Toshiyuki Ajima, Junki ISOBE, Midori Takaoka, Hiroshi Tamura | 2020-11-03 |
| 9484057 | Hologram recording and reproducing apparatus | Kouji Fukuda, Takashi Nagai, Yuuki Yamasaki, Shinsuke Takatsuka | 2016-11-01 |
| 8315131 | Optical disc apparatus and back off control method for objective lens | Koji Kaniwa, Jinya Ikeda, Satoru Moriya | 2012-11-20 |
| 8023377 | Optical disc device and tracking and slider control method | Ryuta Aihara, Motoyuki Suzuki, Hisanobu Tajima | 2011-09-20 |
| 7760604 | Optical disc device and tracking control method | Kikuo Shimizu, Motoyuki Suzuki | 2010-07-20 |
| 6150044 | Magnetic head | Hiroyuki Hasegawa, Ken Takahashi, Eisuke Sawai, Hiromi Takeda | 2000-11-21 |
| 5227193 | Method for manufacturing magnetic head | Tohru Hori, Ken Takahashi | 1993-07-13 |