Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10449799 | Attachment device and attachment method | Takuji Yamahiro, Natsuki Mamiya, Yasuhiro Funato | 2019-10-22 |
| 10035373 | Method for affixing decorative object and decorative object | Takuji Yamahiro, Natsuki Mamiya | 2018-07-31 |