Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257758 | Flexible tube production apparatus | — | 2025-03-25 |
| 12138844 | Flexible tube production apparatus | — | 2024-11-12 |
| 11597132 | Flexible tube production apparatus | — | 2023-03-07 |
| 10350808 | Flexible tube and production apparatus therefor | — | 2019-07-16 |
| 4290994 | Method of molding hollow bodies | Kenkichi Murakami | 1981-09-22 |
| 4185954 | Die for extruding tubes composed of a plurality of layers | Kenkichi Murakami | 1980-01-29 |