Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951315 | Polyvinyl chloride fiber for artificial hair, manufacturing and apparatus of the same | Akira Sakurai | 2011-05-31 |
| 7629048 | Polyvinyl chloride fiber, process for producing the same, and use thereof | Akira Sakurai, Masamichi Kanaoka | 2009-12-08 |
| 6875507 | Resin composition, polyvinyl chloride fibers and process for producing the same | Masamichi Kanaoka, Akira Sakurai | 2005-04-05 |