Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882476 | Oil-flooded screw compressor, motor drive system, and motor control | Hirotaka Kameya, Masaru Yamasaki, Toshiyuki Ajima, Hideharu Tanaka, Norinaga Suzuki | 2014-11-11 |
| 8491280 | Oil-flooded screw compressor, motor drive system, and motor control device | Hirotaka Kameya, Masaru Yamasaki, Toshiyuki Ajima, Hideharu Tanaka, Norinaga Suzuki | 2013-07-23 |
| 7915776 | Permanent magnet type electric rotary machine and compressor using the same | Ryoichi Takahata, Satoshi Kikuchi, Shinichi Wakui, Keiji Noma | 2011-03-29 |
| 7768172 | Permanent magnet type electric rotary machine and compressor using the same | Ryoichi Takahata, Satoshi Kikuchi, Shinichi Wakui, Keiji Noma | 2010-08-03 |
| 7659651 | Rotating electric machine, winding machine, and rotating electric machine system | Koji Obata, Takeshi Obata, Akihiro Sekine, Mituru Itou, Takashi Yasuhara +1 more | 2010-02-09 |
| 4564777 | Reinforced permanent magnet rotor with cast zinc | Keizi Noma, Akira Saruta, Masanori Yoshizaki, Koichi Teshirogi, Kouei Yaegashi | 1986-01-14 |