| 10837456 |
Volute pump |
Masahito Kawai, Masashi Obuchi, Hiroshi Uchida, Miho ISONO, Kenta Tokairin |
2020-11-17 |
| 10837462 |
Volute pump |
Masahito Kawai, Masashi Obuchi, Hiroshi Uchida, Miho ISONO, Kenta Tokairin |
2020-11-17 |
| 10054120 |
Volute pump |
Masahito Kawai, Masashi Obuchi, Hiroshi Uchida, Miho ISONO |
2018-08-21 |
| 9835168 |
Casing liner for sewage pump and sewage pump with the same |
Hiroshi Uchida, Masahito Kawai, Masashi Obuchi, Miho ISONO |
2017-12-05 |
| 9239056 |
Pump impeller and submersible pump having such pump impeller |
Yoshiaki Miyazaki, Junya Kawabata, Masashi Obuchi, Yoichi Nakamura |
2016-01-19 |
| 5601419 |
Nozzle structure for a full-circumferential flow pump |
Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Tsuyoshi Maeda, Koji Isemoto |
1997-02-11 |
| 5494418 |
Pump casing made of sheet metal |
Masayoshi Moriya, Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Koji Isemoto +3 more |
1996-02-27 |
| 5478215 |
Full-circumferential flow pump |
Makoto Kobayashi, Masakazu Yamamoto, Tsuyoshi Maeda, Koji Isemoto |
1995-12-26 |
| 5401146 |
Pump casing made of sheet metal |
Masayoshi Moriya, Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Koji Isemoto +3 more |
1995-03-28 |
| 5388971 |
Full-circumferential flow pump |
Makoto Kobayashi, Masakazu Yamamoto, Yoshio Miyake, Tsuyoshi Maeda, Koji Isemoto |
1995-02-14 |
| 5348452 |
Pump mounting structure of canned submersible motor for deep well pump |
Masakazu Yamamoto, Seiichirou Yamada |
1994-09-20 |
| 5168188 |
Canned motor bearing having an integrally formed load side bearing bracket and end plate |
Masakazu Yamamoto, Seiichirou Yamada |
1992-12-01 |