Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195896 | Nonwoven fabric, layered nonwoven fabric comprising the nonwoven fabric, and composite sound-absorbing material using them as skin material | Chie Okamura, Rumina Obi, Eiji Shiota, Kazufumi Kato, Yasuo Nakanishi | 2025-01-14 |
| 12179467 | Composite sound-absorbing material | Chie Okamura, Yasuo Nakanishi, Takashi Komatsu, Eiji Shiota | 2024-12-31 |