Issued Patents 2023
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841163 | Silencing system | Yoshihiro SUGAWARA, Shogo Yamazoe, Shinya Hakuta, Kazuhiro Oki | 2023-12-12 |
| 11835253 | Silencing system | Yoshihiro SUGAWARA, Shogo Yamazoe, Shinya Hakuta, Kazuhiro Oki | 2023-12-05 |
| 11795974 | Blower with silencer and moving object with propeller | Shinya Hakuta, Shogo Yamazoe, Yoshihiro SUGAWARA | 2023-10-24 |
| 11682374 | Soundproof structure body | Shinya Hakuta, Shogo Yamazoe, Yoshihiro SUGAWARA | 2023-06-20 |
| 11636839 | Soundproof structure body | Yoshihiro SUGAWARA, Shinya Hakuta, Shogo Yamazoe | 2023-04-25 |
| 11580948 | Soundproof system | Shinya Hakuta, Shogo Yamazoe | 2023-02-14 |
| 11543152 | Ventilation duct line assembly and apparatus | Koichi Kumeta, Fuyuki KOKUBU, Shinya Mitourida, Koh Umenai, Shogo Yamazoe +1 more | 2023-01-03 |