Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528239 | Floating flap gate | Kyouichi Nakayasu, Yoshito Yamakawa, Masaki Inui, Yuuichirou Kimura | 2016-12-27 |
| 9528621 | Apparatus for shutting off flow of water through ductwork | Yuuichiro KIMURA, Toru ITAGAKI, Kyouichi Nakayasu | 2016-12-27 |
| 9267253 | Land-mounted flap gate | Kyouichi Nakayasu, Yuuichiro KIMURA, Ryouta Yoshiki | 2016-02-23 |
| 9267322 | Flap gate-type waterproof panel for wall installation | Masaki Inui, Yuuichirou Kimura, Kyouichi Nakayasu, Yoshito Yamakawa | 2016-02-23 |