Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9149851 | Metallic molded sheet and heat shielding cover | Akinao Hiraoka, Tadakatsu Kato, Takahiro Niwa | 2015-10-06 |
| 9093060 | Sound-proof material and process for production thereof, sound-proof molding, and sound insulation method | Tadashi Mori, Takahiro Niwa, Masaki Yoshihara, Kaname Arimizu | 2015-07-28 |
| 8061475 | Soundproof cover and method for producing the same | Tadashi Mori, Kaname Arimizu, Takahiro Niwa, Masaki Yoshihara | 2011-11-22 |
| 8028801 | Soundproof cover | Takahiro Niwa, Michihiro Inagaki, Akinao Hiraoka, Tadashi Mori | 2011-10-04 |
| 7963363 | Soundproof cover for automobiles | Takahiro Niwa, Tadashi Mori | 2011-06-21 |
| 6601673 | Sound absorbing structure | Atsushi Murakami, Takumi Arisawa, Kazuo Nishimoto, Takahiro Niwa | 2003-08-05 |