Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291007 | Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body | Haruki KOSHITOUGE | 2025-05-06 |
| 11931990 | Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body | Haruki KOSHITOUGE | 2024-03-19 |
| 10174905 | Optical film production method, optical film, surface light-emitting body and optical film production device | Haruki KOSHITOUGE | 2019-01-08 |
| 9765941 | Optical film, surface light emitting body, and method for producing optical film | — | 2017-09-19 |