| 11863025 |
Resin molded rotor, canned motor, canned motor pump, fan scrubber, and vacuum pump apparatus |
Takanori Inada |
2024-01-02 |
| 8251678 |
Vacuum pump unit |
Takashi Hozumi, Nobuhito Miyashita, Takanori Inada, Yoshinori Ojima, Susumu Miyake +1 more |
2012-08-28 |
| 7338266 |
Screw pump and method of operating the same |
Nobuhito Miyashita |
2008-03-04 |
| 6902380 |
Vacuum pump with pump rotor pairs and permanent magnet motor |
Yoshinori Ojima, Takanori Inada, Kiyoshi Yanagisawa |
2005-06-07 |
| 6761542 |
Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more |
2004-07-13 |
| 6447271 |
Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more |
2002-09-10 |
| 6183218 |
Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more |
2001-02-06 |
| 5923108 |
Canned motor |
Akira Suzuki |
1999-07-13 |
| 5846062 |
Two stage screw type vacuum pump with motor in-between the stages |
Kiyoshi Yanagisawa, Yoshinori Ojima, Yasushi Hisabe |
1998-12-08 |
| 5814913 |
Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more |
1998-09-29 |
| 5779453 |
Vacuum pump motor arrangement having reduced heat generation |
Masami Nagayama, Katsuaki Usui, Yoshinori Ojima, Genichi Sato, Yasushi Hisabe |
1998-07-14 |
| 5209579 |
Thrust bearing device |
— |
1993-05-11 |
| 4886378 |
Thrust bearing device |
— |
1989-12-12 |
| 4636672 |
Submersible motor |
Minoru Iwata |
1987-01-13 |