Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403628 | Kneading method for use with kneading apparatus with first and second extruders | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2025-09-02 |
| 12403657 | Three-dimensional shaping device | Tatsuya TERAMOTO, Taki HASHIMOTO, Kazuhide Nakamura, Masayuki GOZU | 2025-09-02 |
| 12115732 | Three-dimensional shaping nozzle with scratch-forming target member | Keitaro HASHIZUME | 2024-10-15 |
| 11820062 | Extrusion methods wherein material is guided through a passage crossing over between adjacent cylindrical bodies | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2023-11-21 |
| 11813785 | Extruder screw having paths within the screw, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii | 2023-11-14 |
| 11781254 | Production method for low molecular weight polymer, and production device and production method for melt-blown non-woven fabric | Yuya SASAI, Yoshio Iizuka, Kaho OSADA, Kentaro TAKI | 2023-10-10 |
| 11752682 | Extruder screw having paths within the screw, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2023-09-12 |
| 11584830 | Production method for conductive composite material | Yoshio Iizuka, Kaho OSADA, Hiroshi Shimizu | 2023-02-21 |
| 11565440 | Kneading apparatus with first and second extruders | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2023-01-31 |
| 11400633 | Extruder screw passages, extruder and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2022-08-02 |
| 11229889 | Extruder screw with alternately-arranged conveyance portions and extruders and extrusion methods using the extruder screw | Akiyoshi Kobayashi, Shigeyuki Fujii | 2022-01-25 |
| 11230033 | Extruder screw including conveyance portions and paths within the conveyance portions, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii | 2022-01-25 |
| 11224991 | Extruder screw having paths within the screw, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2022-01-18 |
| 11220022 | Extruder screw having paths within the screw, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2022-01-11 |
| 11110638 | Extruder screw having paths within the screw, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii | 2021-09-07 |
| 11072104 | Screw for extruder comprising a passage crossing over between adjacent cylindrical bodies | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2021-07-27 |
| 10967554 | Extruder screw having paths within the screw, extruder, and extrusion method | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2021-04-06 |
| 9688001 | Method of manufacturing transparent resin composition | Akiyoshi Kobayashi, Shigeyuki Fujii, Hiroshi Shimizu | 2017-06-27 |