Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800585 | Manufacturing method for metal cap | Mitsuo Kumata, Yusuke OKUBO | 2020-10-13 |
| 8833590 | Metallic container closure having internal pressure release function | Katsuhito Ichimura, Shinya Matsumoto, Hisashi Nakajima, Mitsuo Kumata, Kiyohisa Kaito | 2014-09-16 |
| 8167161 | Metallic container closure having internal pressure release function | Katsuhito Ichimura, Shinya Matsumoto, Hisashi Nakajima, Mitsuo Kumata, Kiyohisa Kaito | 2012-05-01 |