Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257958 | Silencing member for electrified vehicle | Shinya Hakuta, Takafumi Hosokawa | 2025-03-25 |
| 12078360 | Range hood | Yoshihiro SUGAWARA | 2024-09-03 |
| 12067963 | Soundproof structure body | Akihiko OHTSU, Shinya Hakuta, Yoshihiro SUGAWARA | 2024-08-20 |
| 12006953 | Blower with silencer | Shinya Hakuta, Yoshihiro SUGAWARA, Akihiko OHTSU | 2024-06-11 |
| 11976673 | Blower with silencer | Yoshihiro SUGAWARA, Shinya Hakuta, Akihiko OHTSU | 2024-05-07 |
| 11869470 | Acoustic system | Shinya Hakuta, Yoshihiro SUGAWARA, Akihiko OHTSU | 2024-01-09 |
| 11841163 | Silencing system | Yoshihiro SUGAWARA, Shinya Hakuta, Akihiko OHTSU, Kazuhiro Oki | 2023-12-12 |
| 11835253 | Silencing system | Yoshihiro SUGAWARA, Shinya Hakuta, Akihiko OHTSU, Kazuhiro Oki | 2023-12-05 |
| 11795974 | Blower with silencer and moving object with propeller | Shinya Hakuta, Yoshihiro SUGAWARA, Akihiko OHTSU | 2023-10-24 |
| 11749248 | Soundproof structure | Shinya Hakuta | 2023-09-05 |
| 11741928 | Soundproof structure | Shinya Hakuta | 2023-08-29 |
| 11705099 | Soundproof structure | Shinya Hakuta | 2023-07-18 |
| 11682374 | Soundproof structure body | Akihiko OHTSU, Shinya Hakuta, Yoshihiro SUGAWARA | 2023-06-20 |
| 11654841 | Box-shaped soundproof structure and transportation apparatus | Shinya Hakuta | 2023-05-23 |
| 11636839 | Soundproof structure body | Akihiko OHTSU, Yoshihiro SUGAWARA, Shinya Hakuta | 2023-04-25 |
| 11580948 | Soundproof system | Akihiko OHTSU, Shinya Hakuta | 2023-02-14 |
| 11551656 | Soundproof structure | Shinya Hakuta, Takafumi Hosokawa | 2023-01-10 |
| 11543152 | Ventilation duct line assembly and apparatus | Koichi Kumeta, Fuyuki KOKUBU, Shinya Mitourida, Koh Umenai, Shinya Hakuta +1 more | 2023-01-03 |
| 11536411 | Silencing tubular structure body | Shinya Hakuta, Akihiko OHTSU, Yoshihiro SUGAWARA | 2022-12-27 |
| 11493232 | Silencing system | Yoshihiro SUGAWARA, Shinya Hakuta, Akihiko OHTSU | 2022-11-08 |
| 11332926 | Soundproof structure | Akihiko OHTSU, Shinya Hakuta | 2022-05-17 |
| 11257473 | Soundproof structure and opening structure | Shinya Hakuta, Akihiko OHTSU | 2022-02-22 |
| 11155993 | Soundproofing structure, partition structure, window member, and cage | Shinya Hakuta, Hiroshi Komatsu | 2021-10-26 |
| 10988924 | Soundproof structure, sound absorbing panel, and sound adjusting panel | Shinya Hakuta, Yuichi Kasuya | 2021-04-27 |
| 10971129 | Soundproof structure, louver, and soundproof wall | Shinya Hakuta, Masayuki Naya, Tadashi Kasamatsu | 2021-04-06 |