Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599720 | Portable device | Shunji Fujihara, Masao Fujimoto | 2009-10-06 |
| 4203886 | Flame-retardant silicone composition having X-ray shielding ability | Akira Hirai, Hisataka Kuroki | 1980-05-20 |