Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415898 | Porous body | Kei Tsukada, Kazutaka Murayama, Keiji Tsukahara, Kazuki Soeda, Hironari Fujiki | 2025-09-16 |
| 11535004 | Soundproofing material | Kazutaka Murayama, Keiji Tsukahara, Yuuma Tomitsuka, Tatsuro Miki, Daisuke Ando | 2022-12-27 |