Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039266 | Divided nut | Kiyoharu Nagayoshi | 1991-08-13 |
| 4998563 | Plastic pipe | Kiyoharu Nagayoshi | 1991-03-12 |
| 4867671 | Apparatus for manufacturing resin tube | Kiyoharu Nagayoshi | 1989-09-19 |
| 4824502 | Method and apparatus for manufacturing a plastic pipe | Kiyoharu Nagayoshi | 1989-04-25 |