Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488344 | Electrical power conversion apparatus including a control microprocessor for eliminating or curbing a beat phenomenon | Masaki Kono, Keita Hatanaka | 2013-07-16 |
| 8279641 | Electric power conversion apparatus having frequency fixing unit to control beat phenomenon | Syoichi Kawamoto, Daisuke Ito, Hidetoshi Kitanaka, Keita Hatanaka, Hisanori Yamasaki +1 more | 2012-10-02 |
| 8035334 | Electric power converter | Yoshihiko Kimpara, Manabu Yoshimura | 2011-10-11 |
| 7898559 | Image forming apparatus | — | 2011-03-01 |
| 7800337 | Control apparatus for AC rotary machine and method for measuring electrical constant of AC rotary machine using the control apparatus | Yoshihiko Kinpara, Keita Hatanaka | 2010-09-21 |
| 7423401 | AC rotary machine constant measuring apparatus for measuring constants of stationary AC rotary machine | Yoshihiko Kinpara, Masahiro Fukuta, Takumi Oonuma | 2008-09-09 |
| 7394582 | Rotary deflector, optical scanning unit and image forming apparatus | Masayoshi Okura, Tehli Shao, Masahiko Otsu | 2008-07-01 |
| 6980340 | Rotary deflector, optical scanning unit and image forming apparatus | Masayoshi Okura, Tehli Shao, Masahiko Otsu | 2005-12-27 |
| 5913912 | Flight strips management method and system | Takeshi Nishimura | 1999-06-22 |
| 5287157 | Sheet straightening device | Kazuhiko Miyazato, Yoshio Shoji, Koichi Makiyama, Kazuo Asaka, Kengo Taneda +1 more | 1994-02-15 |
| 4967348 | Data name standardizing system | Ichiro Naito, Hiroyuki Maezawa | 1990-10-30 |