| 11098458 |
Flap gate |
Yuichiro Kimura, Kunie Miyamoto, Kyoichi Nakayasu |
2021-08-24 |
| 10787780 |
Flood prevention device |
Yuichiro Kimura, Yoshito Yamakawa, Kunie Miyamoto, Kyoichi Nakayasu |
2020-09-29 |
| 10697144 |
Rotation bearing of flap gate and flap gate |
Yuichiro Kimura, Kunie Miyamoto, Yoshito Yamakawa, Kyoichi Nakayasu |
2020-06-30 |
| 10458086 |
Floating flap gate |
Toshikazu Tanaka, Takahide Inagaki, Kyoichi Nakayasu |
2019-10-29 |
| 9528621 |
Apparatus for shutting off flow of water through ductwork |
Yuuichiro KIMURA, Toru ITAGAKI, Kyouichi Nakayasu |
2016-12-27 |
| 9528239 |
Floating flap gate |
Kyouichi Nakayasu, Yoshito Yamakawa, Masaki Inui, Yuuichirou Kimura |
2016-12-27 |
| 9267322 |
Flap gate-type waterproof panel for wall installation |
Masaki Inui, Yuuichirou Kimura, Kyouichi Nakayasu, Yoshito Yamakawa |
2016-02-23 |
| 9267253 |
Land-mounted flap gate |
Kyouichi Nakayasu, Yuuichiro KIMURA, Ryouta Yoshiki |
2016-02-23 |
| 9091033 |
Floating flap gate |
Kyouichi Nakayasu, Ryouta Yoshiki, Masaki Inui, Yuuichirou Kimura |
2015-07-28 |
| 9011042 |
Floating body connection-type flap gate |
Kyouiti Nakayasu, Yuitirou Kimura, Hideyuki Niizato |
2015-04-21 |
| 8714875 |
Mooring device for flap-gate breakwater |
Kyouiti Nakayasu, Yuitirou Kimura |
2014-05-06 |
| 8366348 |
Raised state holding mechanism of flap gate for breakwater |
Kyouiti Nakayasu, Yuitirou Kimura |
2013-02-05 |