Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730658 | Portable device | Kazuyoshi Oshima, Shinichirou Koshikawa, Hisashi Fukai | 2014-05-20 |
| 8032987 | Portable device and hinge assembly | Kazuyoshi Oshima, Shinichirou Koshikawa, Hisashi Fukai, Manabu Hasegawa, Kenta Naganuma | 2011-10-11 |