Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875938 | Peroxide reaction method and peroxide reaction device using extruder | Makoto Ishikawa, Seiji Takamoto, Mitsuhiro SEO | 2020-12-29 |
| 8870441 | Apparatus and method for plastic extrusion | Seiji Takamoto, Fumio Kobayashi, Shigeki Inoue | 2014-10-28 |