Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8727651 | Twistable container for elevating a solid stick | Ken-ichi Arai, Masakazu Mameta, Tsutomu Kobayashi, Hideo Uemura | 2014-05-20 |
| 6475206 | Liquid container | Yoshihisa Hama, Masakazu Mameta | 2002-11-05 |