Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291007 | Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body | Daichi Okuno | 2025-05-06 |
| 12236929 | Sound insulation sheet, manufacturing method thereof, and sound insulation structure | Shogo KOGA, Naoyuki Uchida, Kazuma Inoue, Masanari Nakayama, Yuya SAITO | 2025-02-25 |
| 11931990 | Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body | Daichi Okuno | 2024-03-19 |
| 10174905 | Optical film production method, optical film, surface light-emitting body and optical film production device | Daichi Okuno | 2019-01-08 |
| 9891354 | Light-extraction film for EL, method for manufacturing light-extraction film for EL, and planar light-emitting body | — | 2018-02-13 |