Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10518925 | Molded paper body with minimal wrinkling and forming method thereof | Seiji Okabe | 2019-12-31 |
| 9630372 | Method of producing pressed paper piece and apparatus therefor | Kenichi Takao, Masahiro Ogawa, Seiji Okabe | 2017-04-25 |
| 7866886 | Packaging bag with self-closeable outflow port, and method of manufacturing the packaging bag | Kazuyuki Kurosawa, Naoto Matsuda | 2011-01-11 |